From 3ea0f79189838ef5a6d1cf1c3faadf6717890903 Mon Sep 17 00:00:00 2001 From: Stephanie Juneau Date: Wed, 11 Sep 2024 21:40:57 -0700 Subject: [PATCH 1/7] Updated column_description.csv with short descriptions --- py/desidatamodel/data/column_descriptions.csv | 904 +++++++++--------- 1 file changed, 452 insertions(+), 452 deletions(-) diff --git a/py/desidatamodel/data/column_descriptions.csv b/py/desidatamodel/data/column_descriptions.csv index b42b0227..505c8328 100644 --- a/py/desidatamodel/data/column_descriptions.csv +++ b/py/desidatamodel/data/column_descriptions.csv @@ -1,452 +1,452 @@ -Name,Type,Units,Description -ABSMAG_R,float64,,Absolute magnitude in the r-band after k-correction -AIRMASS,float32,,Average airmass during this exposure -AIRMASS_GFA,float64,,Average airmass during this exposure as measured by GFA -APFLUX_G,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the g band at this location -APFLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of APFLUX_G -APFLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of APFLUX_R -APFLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of APFLUX_Z -APFLUX_R,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the r band at this location -APFLUX_Z,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the z band at this location -A_MGII,float32,,Fitted parameter A (amplitude) by MgII fitter -BGS_TARGET,int64,,BGS (Bright Galaxy Survey) target selection bitmask -BITWEIGHTS,int64[2],,A size of two 64 bit masks that encodes which of the alternative assignment histories that the target was assigned in -BLOBDIST,float32,pix,Maximum distance from a detected Legacy Surveys source -BRICKID,int32,,Brick ID from tractor input -BRICKNAME,char[8],,Brick name from tractor input -BRICK_OBJID,int32,,Imaging Surveys OBJID on that brick -B_MGII,float32,,Fitted parameter B (constant) by MgII fitter -CAMERA,char[2],,Camera identifier. Passband and SPECGRPH ([brz][0-9]). -CHECKER,char[5],,Initials of researcher who vetted the target -CHI2,float64,,Best fit chi squared -CMX_TARGET,int64,,Target selection bitmask for commissioning -COADD_EXPTIME,float32,s,Summed exposure time for coadd -COADD_FIBERSTATUS,int32,,bitwise-AND of input FIBERSTATUS -COADD_NUMEXP,int16,,Number of exposures in coadd -COADD_NUMNIGHT,int16,,Number of nights in coadd -COADD_NUMTILE,int16,,Number of tiles in coadd -COEFF,float64[10],,Redrock template coefficients -COMP_TILE,float64,,Assignment completeness for all targets of this type with the same value for TILES -C_CIII,float32,,Confidence for CIII line -C_CIV,float32,,Confidence for CIV line -C_Halpha,float32,,Confidence for Halpha line -C_Hbeta,float32,,Confidence for Hbeta line -C_LYA,float32,,"Confidence for LyA line, i.e. ~probability to be a QSO" -C_MgII,float32,,Confidence for MgII line -DCHISQ,float32[5],,Difference in chi-squared between Tractor model fits -DEC,float64,deg,Barycentric declination in ICRS -DEC_IVAR,float32,deg^-2,"Inverse variance of DEC, excluding astrometric calibration errors" -DELTACHI2,float64,,chi2 difference between first- and second-best redrock template fits -DELTA_CHI2,float32,,Difference of chi2 between redrock fit and MgII fitter over the lambda interval considered during the fit -DELTA_X,float64,mm,CS5 X requested minus actual position -DELTA_Y,float64,mm,CS5 Y requested minus actual position -DESI_TARGET,int64,,DESI (dark time program) target selection bitmask -DESINAME,char[22],,Human readable identifier of a sky location precise to ~0.36 arcseconds. Note multiple objects can map to a single DESINAME if very close on the sky. -DEVICE_LOC,int32,,Device location on focal plane [0-523] -DEVICE_TYPE,char[3],,Device type -EBV,float32,mag,Galactic extinction E(B-V) reddening from SFD98 -EFFTIME_ETC,float64,s,Effective exposure time for nominal conditions inferred from ETC data -EFFTIME_SPEC,float64,s,Effective exposure time for nominal conditions derived from the TSNR2 fits to the spectroscopy -EQ_ALL_0P0,float64,,e-correction at redshift=0.0 -EQ_ALL_0P1,float64,,e-correction at redshift=0.1 -EXPID,int32,,DESI Exposure ID number -EXPTIME,float64,s,Length of time shutter was open -FAFLAVOR,char[*],,Fiberassign flavor name -FAPRGRM,char[*],,Fiberassign program name -FA_TARGET,int64,,Targeting bit internally used by fiberassign (linked with FA_TYPE) -FA_TYPE,binary,,"Fiberassign internal target type (science, standard, sky, safe, suppsky)" -FIBER,int32,,Fiber ID on the CCDs [0-4999] -FIBERASSIGN_X,float32,mm,Fiberassign expected CS5 X location on focal plane -FIBERASSIGN_Y,float32,mm,Fiberassign expected CS5 Y location on focal plane -FIBERFLUX_G,float32,nanomaggy,Predicted g-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing -FIBERFLUX_R,float32,nanomaggy,Predicted r-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing -FIBERFLUX_Z,float32,nanomaggy,Predicted z-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing -FIBERFLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_G`` -FIBERFLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_R`` -FIBERFLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_Z`` -FIBERSTATUS,int32,,Fiber status mask. 0=good -FIBERTOTFLUX_G,float32,nanomaggy,Predicted g-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing -FIBERTOTFLUX_R,float32,nanomaggy,Predicted r-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing -FIBERTOTFLUX_W1,float32,nanomaggy,Predicted WISE W1-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing -FIBERTOTFLUX_W2,float32,nanomaggy,Predicted WISE W2-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing -FIBERTOTFLUX_Z,float32,nanomaggy,Predicted z-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing -FIBER_DEC,float64,deg,DEC of actual fiber position -FIBER_RA,float64,deg,RA of actual fiber position -FIBER_X,float64,mm,CS5 X location requested by PlateMaker -FIBER_Y,float64,mm,CS5 Y location requested by PlateMaker -FLUX_G,float32,nanomaggy,Flux in the Legacy Survey g-band (AB) -FLUX_G_DERED,float32,nanomaggy,Flux in the g-band after correcting for Galactic extinction (AB system) -FLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of FLUX_G (AB) -FLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of FLUX_R (AB) -FLUX_IVAR_W1,float32,nanomaggy^-2,Inverse variance of FLUX_W1 (AB) -FLUX_IVAR_W2,float32,nanomaggy^-2,Inverse variance of FLUX_W2 (AB) -FLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of FLUX_Z (AB) -FLUX_R,float32,nanomaggy,Flux in the Legacy Survey r-band (AB) -FLUX_R_DERED,float32,nanomaggy,Flux in the r-band after correcting for Galactic extinction (AB system) -FLUX_W1,float32,nanomaggy,WISE flux in W1 (AB) -FLUX_W1_DERED,float32,nanomaggy,Flux in the WISE W1-band after correcting for Galactic extinction (AB system) -FLUX_W2,float32,nanomaggy,WISE flux in W2 (AB) -FLUX_W2_DERED,float32,nanomaggy,Flux in the WISE W2-band after correcting for Galactic extinction (AB system) -FLUX_Z,float32,nanomaggy,Flux in the Legacy Survey z-band (AB) -FLUX_Z_DERED,float32,nanomaggy,Flux in the z-band after correcting for Galactic extinction (AB system) -FRACZ_TILELOCID,float64,,The fraction of targets of this type at this TILELOCID that received an observation (after forcing each target to a unique TILELOCID) -GAIA_ASTROMETRIC_EXCESS_NOISE,float32,,Gaia astrometric excess noise -GAIA_ASTROMETRIC_PARAMS_SOLVED,int64,,which astrometric parameters were estimated for a Gaia source -GAIA_ASTROMETRIC_SIGMA5D_MAX,float32,mas,Gaia longest semi-major axis of the 5-d error ellipsoid -GAIA_DEC,float64,deg,Gaia ICRS declination -GAIA_DUPLICATED_SOURCE,bool,,Gaia duplicated source flag -GAIA_PHOT_BP_MEAN_FLUX_OVER_ERROR,float32,,Gaia BP band signal-to-noise -GAIA_PHOT_BP_MEAN_MAG,float32,mag,Gaia BP band magnitude -GAIA_PHOT_BP_N_OBS,int32,,Gaia BP band number of observations -GAIA_PHOT_BP_RP_EXCESS_FACTOR,float32,,Gaia BP/RP excess factor -GAIA_PHOT_G_MEAN_FLUX_OVER_ERROR,float32,,Gaia G band signal-to-noise -GAIA_PHOT_G_MEAN_MAG,float32,mag,Gaia G band magnitude -GAIA_PHOT_G_N_OBS,int32,,Gaia G band number of observations -GAIA_PHOT_RP_MEAN_FLUX_OVER_ERROR,float32,,Gaia RP band signal-to-noise -GAIA_PHOT_RP_MEAN_MAG,float32,mag,Gaia RP band magnitude -GAIA_PHOT_RP_N_OBS,int32,,Gaia RP band number of observations -GAIA_RA,float64,deg,Gaia ICRS right ascension -GALDEPTH_G,float32,nanomaggy^-2,Galaxy model-based depth in LS g-band -GALDEPTH_R,float32,nanomaggy^-2,Galaxy model-based depth in LS r-band -GALDEPTH_Z,float32,nanomaggy^-2,Galaxy model-based depth in LS z-band -GOODHARDLOC,bool,,True/False whether the fiber had good hardware -GOODPRI,bool,,True/False whether the priority of what was assigned to the location was <= the base priority of the given target class -GOODTSNR,bool,,True/False whether the TSNR_ value used was above the minimum threshold for the given target class -HALPHA_CHI2,float32,,Reduced chi2 of the fit for the HALPHA line -HALPHA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HALPHA line -HALPHA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HALPHA line -HALPHA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HALPHA line -HALPHA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HALPHA line -HALPHA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HALPHA line -HALPHA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HALPHA line -HALPHA_NDOF,int32,,Number of degrees of freedom of the fit for the HALPHA line -HALPHA_SHARE,float32,,NaN (SHARE not relevant for HALPHA line) -HALPHA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HALPHA line) -HALPHA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HALPHA line -HALPHA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HALPHA line -HBETA_CHI2,float32,,Reduced chi2 of the fit for the HBETA line -HBETA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HBETA line -HBETA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HBETA line -HBETA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HBETA line -HBETA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HBETA line -HBETA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HBETA line -HBETA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HBETA line -HBETA_NDOF,int32,,Number of degrees of freedom of the fit for the HBETA line -HBETA_SHARE,float32,,NaN (SHARE not relevant for HBETA line) -HBETA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HBETA line) -HBETA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HBETA line -HBETA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HBETA line -HDELTA_CHI2,float32,,Reduced chi2 of the fit for the HDELTA line -HDELTA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HDELTA line -HDELTA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HDELTA line -HDELTA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HDELTA line -HDELTA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HDELTA line -HDELTA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HDELTA line -HDELTA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HDELTA line -HDELTA_NDOF,int32,,Number of degrees of freedom of the fit for the HDELTA line -HDELTA_SHARE,float32,,NaN (SHARE not relevant for HDELTA line) -HDELTA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HDELTA line) -HDELTA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HDELTA line -HDELTA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HDELTA line -HEALPIX,int32,,HEALPixel containing this location at NSIDE=64 in the NESTED scheme -HGAMMA_CHI2,float32,,Reduced chi2 of the fit for the HGAMMA line -HGAMMA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HGAMMA line -HGAMMA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HGAMMA line -HGAMMA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HGAMMA line -HGAMMA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HGAMMA line -HGAMMA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HGAMMA line -HGAMMA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HGAMMA line -HGAMMA_NDOF,int32,,Number of degrees of freedom of the fit for the HGAMMA line -HGAMMA_SHARE,float32,,NaN (SHARE not relevant for HGAMMA line) -HGAMMA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HGAMMA line) -HGAMMA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HGAMMA line -HGAMMA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HGAMMA line -HPXPIXEL,int64,,HEALPixel containing this location at NSIDE=64 in the NESTED scheme -IN_DESI,int16,,Used by fiberassign to make a tile in the DESI footprint; always set to 1 -IN_RADIUS,float32,arcsec,Radius used to set the ``IN_BRIGHT_OBJECT`` bit in the ``DESI_TARGET`` bitmask. -IS_QSO_MGII,bool,,Boolean: True if the object passes the MgII selection -IS_QSO_QN,int16,,Spectroscopic classification from QuasarNET (1 for a quasar) -KCORR_G0P0,float64,,g-band k-correction at redshift=0.0 -KCORR_G0P1,float64,,g-band k-correction at redshift=0.1 -KCORR_R0P0,float64,,r-band k-correction at redshift=0.0 -KCORR_R0P1,float64,,r-band k-correction at redshift=0.1 -LAMBDA_REF,float32,Angstrom,Requested wavelength at which targets should be centered on fibers -LASTNIGHT,int32,,Final night of observation included in a series of coadds -LC_FLUX_IVAR_W1,float32[15],nanomaggy^-2,Inverse variance of LC_FLUX_W1 (AB system; defaults to zero for unused entries) -LC_FLUX_IVAR_W2,float32[15],nanomaggy^-2,Inverse variance of LC_FLUX_W2 (AB system; defaults to zero for unused entries) -LC_FLUX_W1,float32[15],nanomaggy,FLUX_W1 in each of up to fifteen unWISE coadd epochs (AB system; defaults to zero for unused entries) -LC_FLUX_W2,float32[15],nanomaggy,FLUX_W2 in each of up to fifteen unWISE coadd epochs (AB system; defaults to zero for unused entries) -LC_MJD_W1,float64[15],,MJD_W1 in each of up to fifteen unWISE coadd epochs (defaults to zero for unused entries) -LC_MJD_W2,float64[15],,MJD_W2 in each of up to fifteen unWISE coadd epochs (defaults to zero for unused entries) -LC_NOBS_W1,int16[15],,NOBS_W1 in each of up to fifteen unWISE coadd epochs -LC_NOBS_W2,int16[15],,NOBS_W2 in each of up to fifteen unWISE coadd epochs -LOCATION,int64,,Location on the focal plane PETAL_LOC*1000 + DEVICE_LOC -LOCATION_ASSIGNED,bool,,True/False for assigned/unassigned for the target in question -LRG_MASK,binary,,Imaging mask bits relevant to LRG targets -MAIN_NSPEC,int32,,Number of coadded spectra for this TARGETID in Main survey -MAIN_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in Main survey -MASKBITS,int16,,Bitwise mask from the imaging indicating potential issue or blending -MEAN_DELTA_X,float32,mm,Mean (over exposures) fiber difference requested - actual CS5 X location on focal plane -MEAN_DELTA_Y,float32,mm,Mean (over exposures) fiber difference requested - actual CS5 Y location on focal plane -MEAN_FIBER_DEC,float64,deg,Mean (over exposures) DEC of actual fiber position -MEAN_FIBER_RA,float64,deg,Mean (over exposures) RA of actual fiber position -MEAN_FIBER_X,float32,mm,Mean (over exposures) fiber CS5 X location on focal plane -MEAN_FIBER_Y,float32,mm,Mean (over exposures) fiber CS5 Y location on focal plane -MEAN_PSF_TO_FIBER_SPECFLUX,float32,,Mean of input exposures fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing -MEDIAN_CALIB_COUNT_B,float64,,Median of calibrated flux in B camera -MEDIAN_CALIB_COUNT_R,float64,,Median of calibrated flux in R camera -MEDIAN_CALIB_COUNT_Z,float64,,Median of calibrated flux in Z camera -MEDIAN_CALIB_SNR_B,float64,,Median(S/N) of calibrated flux in B camera -MEDIAN_CALIB_SNR_R,float64,,Median(S/N) of calibrated flux in R camera -MEDIAN_CALIB_SNR_Z,float64,,Median(S/N) of calibrated flux in Z camera -MEDIAN_FFLAT_COUNT_B,float64,,Median of fiber-flatfielded counts in B camera -MEDIAN_FFLAT_COUNT_R,float64,,Median of fiber-flatfielded counts in R camera -MEDIAN_FFLAT_COUNT_Z,float64,,Median of fiber-flatfielded counts in Z camera -MEDIAN_FFLAT_SNR_B,float64,,Median(S/N) of fiberflatfielded counts in B camera -MEDIAN_FFLAT_SNR_R,float64,,Median(S/N) of fiberflatfielded counts in R camera -MEDIAN_FFLAT_SNR_Z,float64,,Median(S/N) of fiberflatfielded counts in Z camera -MEDIAN_RAW_COUNT_B,float64,,Median of raw counts in B camera -MEDIAN_RAW_COUNT_R,float64,,Median of raw counts in R camera -MEDIAN_RAW_COUNT_Z,float64,,Median of raw counts in Z camera -MEDIAN_RAW_SNR_B,float64,,Median(raw signal/noise) in B camera -MEDIAN_RAW_SNR_R,float64,,Median(raw signal/noise) in R camera -MEDIAN_RAW_SNR_Z,float64,,Median(raw signal/noise) in Z camera -MEDIAN_SKYSUB_COUNT_B,float64,,Median of sky-subtracted counts in B camera -MEDIAN_SKYSUB_COUNT_R,float64,,Median of sky-subtracted counts in R camera -MEDIAN_SKYSUB_COUNT_Z,float64,,Median of sky-subtracted counts in Z camera -MEDIAN_SKYSUB_SNR_B,float64,,Median(S/N) of sky-subtracted counts in B camera -MEDIAN_SKYSUB_SNR_R,float64,,Median(S/N) of sky-subtracted counts in R camera -MEDIAN_SKYSUB_SNR_Z,float64,,Median(S/N) of sky-subtracted counts in Z camera -MJD,float64,d,Modified Julian Date when shutter was opened for this exposure -MJD_BEGIN,float64,d,Start of the allowed observing window for this target (Modified Julian Date) -MJD_END,float64,d,End of the allowed observing window for this target (Modified Julian Date) -MORPHTYPE,char[4],,Imaging Surveys morphological type from Tractor -MWS_TARGET,int64,,Milky Way Survey targeting bits -MW_TRANSMISSION_G,float32,,Milky Way dust transmission in LS g-band -MW_TRANSMISSION_R,float32,,Milky Way dust transmission in LS r-band -MW_TRANSMISSION_W1,float32,,Milky Way dust transmission in WISE W1 -MW_TRANSMISSION_W2,float32,,Milky Way dust transmission in WISE W2 -MW_TRANSMISSION_W3,float32,,Milky Way dust transmission in WISE W3 -MW_TRANSMISSION_W4,float32,,Milky Way dust transmission in WISE W4 -MW_TRANSMISSION_Z,float32,,Milky Way dust transmission in LS z-band -NCOEFF,int64,,Number of Redrock template coefficients -NEAR_RADIUS,float32,arcsec,Radius used to set the ``NEAR_BRIGHT_OBJECT`` bit in the ``DESI_TARGET`` bitmask. -NIGHT,int32,,Night of observation (YYYYMMDD) starting at local noon before observations start -NOBS_G,int16,,Number of images for central pixel in g-band -NOBS_R,int16,,Number of images for central pixel in r-band -NOBS_Z,int16,,Number of images for central pixel in z-band -NPIXELS,int64,,Number of unmasked pixels contributing to the Redrock fit -NTILE,int64,,Number of tiles target was available on -NUMOBS,int64,,"Number of spectroscopic observations (on this specific, single tile)" -NUMOBS_INIT,int64,,Initial number of observations for target calculated across target selection bitmasks and OBSCONDITIONS -NUMOBS_MORE,int64,,Number of additional observations needed -NUMTARGET,int16,,Total number of targets that this positioner covered -NUM_ITER,int64,,Number of positioner iterations -NZ,float64,h^3 Mpc^-3,"The comoving number density of the tracer at the given redshift, assuming complete sample" -O2C,float64,,The criteria for assessing strength of OII emission for ELG observations -OBJID,int32,,Imaging Surveys OBJID on that brick (renamed BRICK_OBJID) -OBJTYPE,char[3],,"Object type: TGT, SKY, NON, BAD" -OBSCONDITIONS,int32,,Bitmask of allowed observing conditions -OCLAYER,char[6],,"Either 'DARK' for dark-time or 'BRIGHT' to observe in either bright- or dark-time" -OIII_CHI2,float32,,Reduced chi2 of the fit for the [OIII] doublet -OIII_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the [OIII] doublet -OIII_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the [OIII] doublet -OIII_EW,float32,Angstrom,Fitted rest-frame equivalent width for the [OIII] doublet -OIII_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the [OIII] doublet -OIII_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the [OIII] doublet -OIII_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the [OIII] doublet -OIII_NDOF,int32,,Number of degrees of freedom of the fit for the [OIII] doublet -OIII_SHARE,float32,,"F1/(F0+F1) for the [OIII] doublet, where F0 and F1 are the individual line fluxes (SHARE value fixed during the fit)" -OIII_SHARE_IVAR,float32,,"Infinite value, as SHARE is fixed during the fit" -OIII_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the [OIII] doublet -OIII_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the [OIII] doublet -OII_CHI2,float32,,Reduced chi2 of the fit for the [OII] doublet -OII_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the [OII] doublet -OII_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the [OII] doublet -OII_EW,float32,Angstrom,Fitted rest-frame equivalent width for the [OII] doublet -OII_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the [OII] doublet -OII_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the [OII] doublet -OII_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the [OII] doublet -OII_NDOF,int32,,Number of degrees of freedom of the fit for the [OII] doublet -OII_SHARE,float32,,"Fitted F1/(F0+F1) for the [OII] doublet, where F0 and F1 are the individual line fluxes" -OII_SHARE_IVAR,float32,,Inverse variance of the fitted F1/(F0+F1) for the [OII] doublet -OII_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the [OII] doublet -OII_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the [OII] doublet -PARALLAX,float32,mas,Reference catalog parallax -PARALLAX_IVAR,float32,mas^-2,Inverse variance of PARALLAX -PETAL_LOC,int16,,Petal location [0-9] -PHOTSYS,char[1],,"'N' for the MzLS/BASS photometric system, 'S' for DECaLS" -PLATE_DEC,float64,deg,Barycentric Declination in ICRS to be used by PlateMaker -PLATE_RA,float64,deg,Barycentric Right Ascension in ICRS to be used by PlateMaker -PLATE_REF_EPOCH,float64,yr,Copy of REF_EPOCH to be used by PlateMaker -PMDEC,float32,mas yr^-1,Proper motion in the +Dec direction -PMDEC_IVAR,float32,yr^2 mas^-2,Inverse variance of PMDEC -PMRA,float32,mas yr^-1,"proper motion in the +RA direction (already including cos(dec))" -PMRA_IVAR,float32,yr^2 mas^-2,Inverse variance of PMRA -PRIORITY,int32,,Target current priority -PRIORITY_INIT,int64,,Target initial priority from target selection bitmasks and OBSCONDITIONS -PROBA_RF,float32,,Probability of being a quasar generated by the quasar Random Forest targeting algorithm. -PROB_OBS,float64,,The number alternative assignment histories that the target was assigned in divided by 128 -PROGRAM,char[6],,"DESI program type - BRIGHT, DARK, BACKUP, OTHER" -PSFDEPTH_G,float32,nanomaggy^-2,PSF-based depth in g-band -PSFDEPTH_R,float32,nanomaggy^-2,PSF-based depth in r-band -PSFDEPTH_W1,float32,nanomaggy^-2,PSF-based depth in WISE W1 -PSFDEPTH_W2,float32,nanomaggy^-2,PSF-based depth in WISE W2 -PSFDEPTH_Z,float32,nanomaggy^-2,PSF-based depth in z-band -PSFSIZE_G,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in g-band -PSFSIZE_R,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in r-band -PSFSIZE_Z,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in z-band -PSF_TO_FIBER_SPECFLUX,float64,,fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing -RA,float64,deg,Barycentric Right Ascension in ICRS -RA_IVAR,float32,deg^-2,"Inverse variance of RA (no cosine term!), excluding astrometric calibration errors" -REF_CAT,char[2],,"Reference catalog source for star: 'T2' for Tycho-2, 'G2' for Gaia DR2, 'L2' for the SGA, empty otherwise" -REF_EPOCH,float32,yr,Reference epoch for Gaia/Tycho astrometry. Typically 2015.5 for Gaia -REF_ID,int64,,"Tyc1*1,000,000+Tyc2*10+Tyc3 for Tycho-2; ``sourceid`` for Gaia DR2" -REF_MAG,float32,mag,"Magnitude used to calculate ``IN_RADIUS``; typically, in order of preference, G-band for Gaia or VT then HP then BT for Tycho." -RELEASE,int16,,Imaging surveys release ID -REST_GMR_0P0,float64,,Rest-frame g-r colour at redshift=0.0 -REST_GMR_0P1,float64,,Rest-frame g-r colour at redshift=0.1 -RMS_DELTA_X,float32,mm,RMS (over exposures) of the fiber difference between measured and requested CS5 X location on focal plane -RMS_DELTA_Y,float32,mm,RMS (over exposures) of the fiber difference between measured and requested CS5 Y location on focal plane -ROSETTE_NUMBER,int32,,Rosette number ID [0-19] -ROSETTE_R,float64,deg,Radius from the center of the rosette to the target -SCND_TARGET,int64,,Target selection bitmask for secondary programs -SCND_ORDER,int32,,Number of row for target entry in secondary file (placeholder; needed by fiberassign) -SEEING_ETC,float64,arcsec,Average FWHM atmospheric seeing during this exposure as measured by ETC -SEEING_GFA,float64,arcsec,Average FWHM atmospheric seeing during this exposure as measured by GFA -SERSIC,float32,,Power-law index for the Sersic profile model (MORPHTYPE='SER') -SERSIC_IVAR,float32,,Inverse variance of SERSIC -SHAPEDEV_E1,float32,,deVaucouleurs shape fit elipticity parameter e1 -SHAPEDEV_E1_IVAR,float32,,Inverse variance of SHAPEDEV_E1 -SHAPEDEV_E2,float32,,deVaucouleurs shape fit elipticity parameter e2 -SHAPEDEV_E2_IVAR,float32,,Inverse variance of SHAPEDEV_E2 -SHAPEDEV_R,float32,arcsec,deVaucouleurs shape half-light radius -SHAPEDEV_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPEDEV_R -SHAPEEXP_E1,float32,,Imaging exponential shape fit elipticity parameter e1 -SHAPEEXP_E1_IVAR,float32,,Inverse variance of SHAPEEXP_E1 -SHAPEEXP_E2,float32,,Imaging exponential shape fit elipticity parameter e2 -SHAPEEXP_E2_IVAR,float32,,Inverse variance of SHAPEEXP_E2 -SHAPEEXP_R,float32,arcsec,Imaging exponential shape half-light radius -SHAPEEXP_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPEEXP_R -SHAPE_E1,float32,,Ellipticity component 1 of galaxy model for galaxy type MORPHTYPE -SHAPE_E1_IVAR,float32,,Inverse variance of SHAPE_E1 -SHAPE_E2,float32,,Ellipticity component 2 of galaxy model for galaxy type MORPHTYPE -SHAPE_E2_IVAR,float32,,Inverse variance of SHAPE_E2 -SHAPE_R,float32,arcsec,Half-light radius of galaxy model (>0) -SHAPE_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPE_R -SIGMA_MGII,float32,Angstrom,Fitted parameter SIGMA (linewidth) by MgII fitter (in angstrom?) -SPECTRO,int16,,Spectrograph number [0-9] -SPECTROID,int32,,Hardware ID of spectrograph (not used) -SPECTYPE,char[6],,"Spectral type of Redrock best fit template (e.g. GALAXY, QSO, STAR)" -SPGRPVAL,int32,,Value by which spectra are grouped for a coadd (e.g. a YEARMMDD night) -STD_FIBER_DEC,float32,arcsec,Standard deviation (over exposures) of DEC of actual fiber position -STD_FIBER_RA,float32,arcsec,Standard deviation (over exposures) of RA of actual fiber position -SUBPRIORITY,float64,,Random subpriority [0-1) to break assignment ties -SUBTYPE,char[20],,Spectral subtype -SUM_CALIB_COUNT_B,float64,,Sum of calibrated flux in B camera -SUM_CALIB_COUNT_R,float64,,Sum of calibrated flux in R camera -SUM_CALIB_COUNT_Z,float64,,Sum of calibrated flux in Z camera -SUM_FFLAT_COUNT_B,float64,,Sum of fiber-flatfielded counts B camera -SUM_FFLAT_COUNT_R,float64,,Sum of fiber-flatfielded counts R camera -SUM_FFLAT_COUNT_Z,float64,,Sum of fiber-flatfielded counts Z camera -SUM_RAW_COUNT_B,float64,,Sum of raw counts in B camera -SUM_RAW_COUNT_R,float64,,Sum of raw counts in R camera -SUM_RAW_COUNT_Z,float64,,Sum of raw counts in Z camera -SUM_SKYSUB_COUNT_B,float64,,Sum of sky-subtracted counts in B camera -SUM_SKYSUB_COUNT_R,float64,,Sum of sky-subtracted counts in R camera -SUM_SKYSUB_COUNT_Z,float64,,Sum of sky-subtracted counts in Z camera -SURVEY,char[7],,Survey name -SV1_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV1 -SV1_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV1 -SV1_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV1 -SV1_SCND_TARGET,int64,,Secondary target selection bitmask for SV1 -SV2_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV2 -SV2_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV2 -SV2_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV2 -SV2_SCND_TARGET,int64,,Secondary target selection bitmask for SV2 -SV3_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV3 -SV3_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV3 -SV3_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV3 -SV3_SCND_TARGET,int64,,Secondary target selection bitmask for SV3 -SV_NSPEC,int32,,Number of coadded spectra for this TARGETID in SV (SV1+2+3) -SV_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in SV (SV1+2+3) -TARGETID,int64,,Unique DESI target ID -TARGET_DEC,float64,deg,Barycentric declination in ICRS -TARGET_RA,float64,deg,Barycentric right ascension in ICRS -TARGET_STATE,char[*],,Combination of target class and its current observational state -TILEDEC,float64,deg,Barycentric declination of tile center in ICRS -TILEID,int32,,Unique DESI tile ID -TILELOCID,int64,,Is 10000*TILEID+LOCATION -TILELOCIDS,char[*],,"TILELOCIDs that the target was available for, separated by '-'" -TILELOCID_ASSIGNED,int64,,0/1 for unassigned/assigned for TILELOCID in question (it could have been assigned to a different target) -TILERA,float64,deg,Barycentric Right Ascension of tile center in ICRS -TILES,char[*],,"TILEIDs of those tile, in string form separated by '-'" -TIMESTAMP,str,s,UTC/ISO time at which the target state was updated -TOOID,int64,,ID for this target assigned by the ``CHECKER`` -TOO_PRIO,char[2],,"Either 'HI' for a very-high-priority target or 'LO' for a very-low-priority target" -TOO_TYPE,char[5],,"Either 'TILE' for a special tile or 'FIBER' for a fiber-override ToO" -TSNR2_BGS,float32,,"BGS template (S/N)^2 summed over B,R,Z" -TSNR2_BGS_B,float32,,BGS B template (S/N)^2 -TSNR2_BGS_R,float32,,BGS R template (S/N)^2 -TSNR2_BGS_Z,float32,,BGS Z template (S/N)^2 -TSNR2_ELG,float32,,"ELG template (S/N)^2 summed over B,R,Z" -TSNR2_ELG_B,float32,,ELG B template (S/N)^2 -TSNR2_ELG_R,float32,,ELG R template (S/N)^2 -TSNR2_ELG_Z,float32,,ELG Z template (S/N)^2 -TSNR2_GPBBACKUP,float64,,template (S/N)^2 for backup targets in guider pass band -TSNR2_GPBBACKUP_B,float64,,template (S/N)^2 for backup targets in guider pass band on B -TSNR2_GPBBACKUP_R,float64,,template (S/N)^2 for backup targets in guider pass band on R -TSNR2_GPBBACKUP_Z,float64,,template (S/N)^2 for backup targets in guider pass band on Z -TSNR2_GPBBRIGHT,float64,,template (S/N)^2 for bright targets in guider pass band -TSNR2_GPBBRIGHT_B,float64,,template (S/N)^2 for bright targets in guider pass band on B -TSNR2_GPBBRIGHT_R,float64,,template (S/N)^2 for bright targets in guider pass band on R -TSNR2_GPBBRIGHT_Z,float64,,template (S/N)^2 for bright targets in guider pass band on Z -TSNR2_GPBDARK,float64,,template (S/N)^2 for dark targets in guider pass band -TSNR2_GPBDARK_B,float64,,template (S/N)^2 for dark targets in guider pass band on B -TSNR2_GPBDARK_R,float64,,template (S/N)^2 for dark targets in guider pass band on R -TSNR2_GPBDARK_Z,float64,,template (S/N)^2 for dark targets in guider pass band on Z -TSNR2_LRG,float32,,"LRG template (S/N)^2 summed over B,R,Z" -TSNR2_LRG_B,float32,,LRG B template (S/N)^2 -TSNR2_LRG_R,float32,,LRG R template (S/N)^2 -TSNR2_LRG_Z,float32,,LRG Z template (S/N)^2 -TSNR2_LYA,float32,,"LYA template (S/N)^2 summed over B,R,Z" -TSNR2_LYA_B,float32,,LYA B template (S/N)^2 -TSNR2_LYA_R,float32,,LYA R template (S/N)^2 -TSNR2_LYA_Z,float32,,LYA Z template (S/N)^2 -TSNR2_QSO,float32,,"QSO template (S/N)^2 summed over B,R,Z" -TSNR2_QSO_B,float32,,QSO B template (S/N)^2 -TSNR2_QSO_R,float32,,QSO R template (S/N)^2 -TSNR2_QSO_Z,float32,,QSO Z template (S/N)^2 -TYPE,char[4],,Morphological Model type from Tractor; renamed MORPHTYPE in most files -URAT_ID,int64,,ID in the URAT catalog for sources where URAT supplemented missing Gaia astrometric information -URAT_SEP,float32,arcsec,Separation between URAT and Gaia sources where URAT supplemented missing Gaia astrometric information -VAR_A_MGII,float32,,Variance of MgII fit amplitude parameter A -VAR_B_MGII,float32,,Variance of MgII fit offset parameter B -VAR_SIGMA_MGII,float32,,Variance of MgII fit width parameter sigma -VERSION,char[14],,Tag of desitarget used to create the target catalog -WEIGHT,float64,,The combination of all weights to use -WEIGHT_COMP,float64,,1/FRACZ_TILELOCID -WEIGHT_FKP,float64,,"1/(1+NZ*P0), with P0 different for each tracer" -WEIGHT_SYS,float64,,"Correction for fluctuations in projected density with imaging conditions, from random forrest method" -WEIGHT_SYSEB,float64,,"Correction for fluctuations in projected density with imaging conditions, from linear regression method applied to eBOSS" -WEIGHT_ZFAIL,float64,,Should be all 1 at this point for main survey -WISEMASK_W1,byte,,Bitwise mask for WISE W1 data -WISEMASK_W2,byte,,Bitwise mask for WISE W2 data -Z,float64,,Redshift measured by Redrock -ZCAT_NSPEC,int32,,Number of times this TARGETID appears in this catalog -ZCAT_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in this zcatalog -ZERR,float64,,Redshift error from redrock -ZPOSSLOC,bool,,True/False whether the location could have been assigned to the given target class -ZTILEID,int32,,ID of tile that most recently updated target's state -ZWARN,int64,,Redshift warning bitmask from Redrock -ZWARN_MTL,int64,,The ZWARN from the zmtl file (contains extra bits) -Z_CIII,float64,,Redshift estimated by QuasarNET with CIII line -Z_CIV,float64,,Redshift estimated by QuasarNET with CIV line -Z_Halpha,float64,,Redshift estimated by QuasarNET with Halpha line -Z_Hbeta,float64,,Redshift estimated by QuasarNET with Hbeta line -Z_HP,float64,,Redshift from Healpix coadd -Z_LYA,float64,,Redshift estimated by QuasarNET with LyA line -Z_MgII,float64,,Redshift estimated by QuasarNET with MgII line -Z_QN,float64,,Redshift measured by QuasarNET using line with highest confidence -Z_QN_CONF,float64,,Redshift confidence from QuasarNET -Z_RR,float64,,Redshift collected from redrock file +Name,Type,Units,FullDescription,Description +ABSMAG_R,float64,,Absolute magnitude in the r-band after k-correction,Absolute r-band magnitude after k-correction +AIRMASS,float32,,Average airmass during this exposure,Average airmass during this exposure +AIRMASS_GFA,float64,,Average airmass during this exposure as measured by GFA,Average airmass during this exposure from GFA +APFLUX_G,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the g band at this location,Total g-band flux within a 0.75 arcsec radius +APFLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of APFLUX_G,Inverse variance of APFLUX_G +APFLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of APFLUX_R,Inverse variance of APFLUX_R +APFLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of APFLUX_Z,Inverse variance of APFLUX_Z +APFLUX_R,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the r band at this location,Total r-band flux within a 0.75 arcsec radius +APFLUX_Z,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the z band at this location,Total z-band flux within a 0.75 arcsec radius +A_MGII,float32,,Fitted parameter A (amplitude) by MgII fitter,Fitted parameter A (amplitude) by MgII fitter +BGS_TARGET,int64,,BGS (Bright Galaxy Survey) target selection bitmask,BGS (Bright Galaxy Survey) target sel bitmask +BITWEIGHTS,int64[2],,A size of two 64 bit masks that encodes which of the alternative assignment histories that the target was assigned in,Bitmask pair for alternative target assignment +BLOBDIST,float32,pix,Maximum distance from a detected Legacy Surveys source,Max distance from a detected LS source +BRICKID,int32,,Brick ID from tractor input,Brick ID from tractor input +BRICKNAME,char[8],,Brick name from tractor input,Brick name from tractor input +BRICK_OBJID,int32,,Imaging Surveys OBJID on that brick,Imaging Surveys OBJID on that brick +B_MGII,float32,,Fitted parameter B (constant) by MgII fitter,Fitted parameter B (constant) by MgII fitter +CAMERA,char[2],,Camera identifier. Passband and SPECGRPH ([brz][0-9]).,Camera identifier [brz][0-9] +CHECKER,char[5],,Initials of researcher who vetted the target,Initials of researcher who vetted the target +CHI2,float64,,Best fit chi squared,Best fit chi squared +CMX_TARGET,int64,,Target selection bitmask for commissioning,Target selection bitmask for commissioning +COADD_EXPTIME,float32,s,Summed exposure time for coadd,Summed exposure time for coadd +COADD_FIBERSTATUS,int32,,bitwise-AND of input FIBERSTATUS,bitwise-AND of input FIBERSTATUS +COADD_NUMEXP,int16,,Number of exposures in coadd,Number of exposures in coadd +COADD_NUMNIGHT,int16,,Number of nights in coadd,Number of nights in coadd +COADD_NUMTILE,int16,,Number of tiles in coadd,Number of tiles in coadd +COEFF,float64[10],,Redrock template coefficients,Redrock template coefficients +COMP_TILE,float64,,Assignment completeness for all targets of this type with the same value for TILES,Assignment completeness given the target class +C_CIII,float32,,Confidence for CIII line,Confidence for CIII line +C_CIV,float32,,Confidence for CIV line,Confidence for CIV line +C_Halpha,float32,,Confidence for Halpha line,Confidence for Halpha line +C_Hbeta,float32,,Confidence for Hbeta line,Confidence for Hbeta line +C_LYA,float32,,"Confidence for LyA line, i.e. ~probability to be a QSO",Confidence that LyA line (probability for QSO) +C_MgII,float32,,Confidence for MgII line,Confidence for MgII line +DCHISQ,float32[5],,Difference in chi-squared between Tractor model fits,Difference in chi-squared between Tractor fits +DEC,float64,deg,Barycentric declination in ICRS,Barycentric declination in ICRS +DEC_IVAR,float32,deg^-2,"Inverse variance of DEC, excluding astrometric calibration errors","Inverse variance of DEC, excl astrom calib err" +DELTACHI2,float64,,chi2 difference between first- and second-best redrock template fits,chi2 diff b/w 1st and 2nd-best Redrock fits +DELTA_CHI2,float32,,Difference of chi2 between redrock fit and MgII fitter over the lambda interval considered during the fit,chi2 diff b/w Redrock fit and MgII fitter +DELTA_X,float64,mm,CS5 X requested minus actual position,CS5 X requested minus actual position +DELTA_Y,float64,mm,CS5 Y requested minus actual position,CS5 Y requested minus actual position +DESI_TARGET,int64,,DESI (dark time program) target selection bitmask,DESI (dark program) target selection bitmask +DESINAME,char[22],,"Human readable identifier of a sky location DESI JXXX.XXXX[+/-]YY.YYYY, where X,Y=truncated decimal TARGET_RA, TARGET_DEC, precise to 0.36 arcsec. Multiple objects can map to a single DESINAME if very close on the sky.","DESI JXXX.XXXX[+/-]YY.YYYY; X,Y=decimal RA,DEC" +DEVICE_LOC,int32,,Device location on focal plane [0-523],Device location on focal plane [0-523] +DEVICE_TYPE,char[3],,Device type,Device type +EBV,float32,mag,Galactic extinction E(B-V) reddening from SFD98,Galactic extinction E(B-V) from SFD98 +EFFTIME_ETC,float64,s,Effective exposure time for nominal conditions inferred from ETC data,Effective exp time (nominal conditions; ETC) +EFFTIME_SPEC,float64,s,Effective exposure time for nominal conditions derived from the TSNR2 fits to the spectroscopy,Effective exp time (nominal conditions; TSNR2) +EQ_ALL_0P0,float64,,e-correction at redshift=0.0,e-correction at redshift=0.0 +EQ_ALL_0P1,float64,,e-correction at redshift=0.1,e-correction at redshift=0.1 +EXPID,int32,,DESI Exposure ID number,DESI Exposure ID number +EXPTIME,float64,s,Length of time shutter was open,Length of time shutter was open +FAFLAVOR,char[*],,Fiberassign flavor name,Fiberassign flavor name +FAPRGRM,char[*],,Fiberassign program name,Fiberassign program name +FA_TARGET,int64,,Targeting bit internally used by fiberassign (linked with FA_TYPE),Internal targeting bit for fiberassign +FA_TYPE,binary,,"Fiberassign internal target type (science, standard, sky, safe, suppsky)",Internal target type for fiberassign +FIBER,int32,,Fiber ID on the CCDs [0-4999],Fiber ID on the CCDs [0-4999] +FIBERASSIGN_X,float32,mm,Fiberassign expected CS5 X location on focal plane,Fiberassign expected CS5 X loc on focal plane +FIBERASSIGN_Y,float32,mm,Fiberassign expected CS5 Y location on focal plane,Fiberassign expected CS5 Y loc on focal plane +FIBERFLUX_G,float32,nanomaggy,Predicted g-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing,Predicted object g flux within diam 1.5 arcsec +FIBERFLUX_R,float32,nanomaggy,Predicted r-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing,Predicted object r flux within diam 1.5 arcsec +FIBERFLUX_Z,float32,nanomaggy,Predicted z-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing,Predicted object z flux within diam 1.5 arcsec +FIBERFLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_G``,Inverse variance of FIBERFLUX_G +FIBERFLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_R``,Inverse variance of FIBERFLUX_R +FIBERFLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_Z``,Inverse variance of FIBERFLUX_Z +FIBERSTATUS,int32,,Fiber status mask. 0=good,Fiber status mask. 0=good +FIBERTOTFLUX_G,float32,nanomaggy,Predicted g-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total g flux within diam 1.5 arcsec +FIBERTOTFLUX_R,float32,nanomaggy,Predicted r-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total r flux within diam 1.5 arcsec +FIBERTOTFLUX_W1,float32,nanomaggy,Predicted WISE W1-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total W1 flux within diam 1.5 arcsec +FIBERTOTFLUX_W2,float32,nanomaggy,Predicted WISE W2-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total W2 flux within diam 1.5 arcsec +FIBERTOTFLUX_Z,float32,nanomaggy,Predicted z-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total z flux within diam 1.5 arcsec +FIBER_DEC,float64,deg,DEC of actual fiber position,DEC of actual fiber position +FIBER_RA,float64,deg,RA of actual fiber position,RA of actual fiber position +FIBER_X,float64,mm,CS5 X location requested by PlateMaker,CS5 X location requested by PlateMaker +FIBER_Y,float64,mm,CS5 Y location requested by PlateMaker,CS5 Y location requested by PlateMaker +FLUX_G,float32,nanomaggy,Flux in the Legacy Survey g-band (AB),Flux in the Legacy Survey g-band (AB) +FLUX_G_DERED,float32,nanomaggy,Flux in the g-band after correcting for Galactic extinction (AB system),FLUX_G corrected for Galactic extinction (AB) +FLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of FLUX_G (AB),Inverse variance of FLUX_G (AB) +FLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of FLUX_R (AB),Inverse variance of FLUX_R (AB) +FLUX_IVAR_W1,float32,nanomaggy^-2,Inverse variance of FLUX_W1 (AB),Inverse variance of FLUX_W1 (AB) +FLUX_IVAR_W2,float32,nanomaggy^-2,Inverse variance of FLUX_W2 (AB),Inverse variance of FLUX_W2 (AB) +FLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of FLUX_Z (AB),Inverse variance of FLUX_Z (AB) +FLUX_R,float32,nanomaggy,Flux in the Legacy Survey r-band (AB),Flux in the Legacy Survey r-band (AB) +FLUX_R_DERED,float32,nanomaggy,Flux in the r-band after correcting for Galactic extinction (AB system),FLUX_R corrected for Galactic extinction (AB) +FLUX_W1,float32,nanomaggy,WISE flux in W1 (AB),WISE flux in W1 (AB) +FLUX_W1_DERED,float32,nanomaggy,Flux in the WISE W1-band after correcting for Galactic extinction (AB system),FLUX_W1 corrected for Galactic extinction (AB) +FLUX_W2,float32,nanomaggy,WISE flux in W2 (AB),WISE flux in W2 (AB) +FLUX_W2_DERED,float32,nanomaggy,Flux in the WISE W2-band after correcting for Galactic extinction (AB system),FLUX_W2 corrected for Galactic extinction (AB) +FLUX_Z,float32,nanomaggy,Flux in the Legacy Survey z-band (AB),Flux in the Legacy Survey z-band (AB) +FLUX_Z_DERED,float32,nanomaggy,Flux in the z-band after correcting for Galactic extinction (AB system),FLUX_Z corrected for Galactic extinction (AB) +FRACZ_TILELOCID,float64,,The fraction of targets of this type at this TILELOCID that received an observation (after forcing each target to a unique TILELOCID),Frac of targets obs at TILELOCID given class +GAIA_ASTROMETRIC_EXCESS_NOISE,float32,,Gaia astrometric excess noise,Gaia astrometric excess noise +GAIA_ASTROMETRIC_PARAMS_SOLVED,int64,,which astrometric parameters were estimated for a Gaia source,Astrometric params estimated for a Gaia source +GAIA_ASTROMETRIC_SIGMA5D_MAX,float32,mas,Gaia longest semi-major axis of the 5-d error ellipsoid,Gaia semi-major axis of 5-d error ellipsoid +GAIA_DEC,float64,deg,Gaia ICRS declination,Gaia ICRS declination +GAIA_DUPLICATED_SOURCE,bool,,Gaia duplicated source flag,Gaia duplicated source flag +GAIA_PHOT_BP_MEAN_FLUX_OVER_ERROR,float32,,Gaia BP band signal-to-noise,Gaia BP band signal-to-noise +GAIA_PHOT_BP_MEAN_MAG,float32,mag,Gaia BP band magnitude,Gaia BP band magnitude +GAIA_PHOT_BP_N_OBS,int32,,Gaia BP band number of observations,Gaia BP band number of observations +GAIA_PHOT_BP_RP_EXCESS_FACTOR,float32,,Gaia BP/RP excess factor,Gaia BP/RP excess factor +GAIA_PHOT_G_MEAN_FLUX_OVER_ERROR,float32,,Gaia G band signal-to-noise,Gaia G band signal-to-noise +GAIA_PHOT_G_MEAN_MAG,float32,mag,Gaia G band magnitude,Gaia G band magnitude +GAIA_PHOT_G_N_OBS,int32,,Gaia G band number of observations,Gaia G band number of observations +GAIA_PHOT_RP_MEAN_FLUX_OVER_ERROR,float32,,Gaia RP band signal-to-noise,Gaia RP band signal-to-noise +GAIA_PHOT_RP_MEAN_MAG,float32,mag,Gaia RP band magnitude,Gaia RP band magnitude +GAIA_PHOT_RP_N_OBS,int32,,Gaia RP band number of observations,Gaia RP band number of observations +GAIA_RA,float64,deg,Gaia ICRS right ascension,Gaia ICRS right ascension +GALDEPTH_G,float32,nanomaggy^-2,Galaxy model-based depth in LS g-band,Galaxy model-based depth in LS g-band +GALDEPTH_R,float32,nanomaggy^-2,Galaxy model-based depth in LS r-band,Galaxy model-based depth in LS r-band +GALDEPTH_Z,float32,nanomaggy^-2,Galaxy model-based depth in LS z-band,Galaxy model-based depth in LS z-band +GOODHARDLOC,bool,,True/False whether the fiber had good hardware,True/False whether the fiber had good hardware +GOODPRI,bool,,True/False whether the priority of what was assigned to the location was <= the base priority of the given target class,True if assigned priority <= base priority +GOODTSNR,bool,,True/False whether the TSNR_ value used was above the minimum threshold for the given target class,True if TSNR_ above minimum threshold +HALPHA_CHI2,float32,,Reduced chi2 of the fit for the HALPHA line,Reduced chi2 of the fit for the HALPHA line +HALPHA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HALPHA line,Continuum for HALPHA line fitting (constant) +HALPHA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HALPHA line,Inverse variance of HALPHA line continuum +HALPHA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HALPHA line,Fitted HALPHA line rest-frame equivalent width +HALPHA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HALPHA line,Inverse variance of fitted HALPHA_EW +HALPHA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HALPHA line,Fitted flux for the HALPHA line +HALPHA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HALPHA line,Inverse variance of fitted HALPHA line flux +HALPHA_NDOF,int32,,Number of degrees of freedom of the fit for the HALPHA line,Number of deg of freedom for HALPHA line fit +HALPHA_SHARE,float32,,NaN (SHARE not relevant for HALPHA line),NaN (SHARE not relevant for HALPHA line) +HALPHA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HALPHA line),NaN (SHARE not relevant for HALPHA line) +HALPHA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HALPHA line,Fitted HALPHA line width in the observed frame +HALPHA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HALPHA line,Inverse variance of HALPHA_SIGMA (obs frame) +HBETA_CHI2,float32,,Reduced chi2 of the fit for the HBETA line,Reduced chi2 of the fit for the HBETA line +HBETA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HBETA line,Continuum for HBETA line fitting (constant) +HBETA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HBETA line,Inverse variance of HBETA line continuum +HBETA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HBETA line,Fitted HBETA line rest-frame equivalent width +HBETA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HBETA line,Inverse variance of HBETA_EW (rest frame) +HBETA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HBETA line,Fitted flux for the HBETA line +HBETA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HBETA line,Inverse variance of fitted HBETA line flux +HBETA_NDOF,int32,,Number of degrees of freedom of the fit for the HBETA line,Number of deg of freedom for HBETA line fit +HBETA_SHARE,float32,,NaN (SHARE not relevant for HBETA line),NaN (SHARE not relevant for HBETA line) +HBETA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HBETA line),NaN (SHARE not relevant for HBETA line) +HBETA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HBETA line,Fitted HBETA line width in the observed frame +HBETA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HBETA line,Inverse variance of HBETA_SIGMA (obs frame) +HDELTA_CHI2,float32,,Reduced chi2 of the fit for the HDELTA line,Reduced chi2 of the fit for the HDELTA line +HDELTA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HDELTA line,Continuum for HDELTA line fitting (constant) +HDELTA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HDELTA line,Inverse variance of the HDELTA line continuum +HDELTA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HDELTA line,Fitted HDELTA line rest-frame equivalent width +HDELTA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HDELTA line,Inverse variance of HDELTA_EW (rest frame) +HDELTA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HDELTA line,Fitted flux for the HDELTA line +HDELTA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HDELTA line,Inverse variance of fitted HDELTA line flux +HDELTA_NDOF,int32,,Number of degrees of freedom of the fit for the HDELTA line,Number of deg of freedom of HDELTA line fit +HDELTA_SHARE,float32,,NaN (SHARE not relevant for HDELTA line),NaN (SHARE not relevant for HDELTA line) +HDELTA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HDELTA line),NaN (SHARE not relevant for HDELTA line) +HDELTA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HDELTA line,Fitted HDELTA line width in the observed frame +HDELTA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HDELTA line,Inverse variance of HDELTA_SIGMA (obs frame) +HEALPIX,int32,,HEALPixel containing this location at NSIDE=64 in the NESTED scheme,HEALPixel at this location (NSIDE=64; NESTED) +HGAMMA_CHI2,float32,,Reduced chi2 of the fit for the HGAMMA line,Reduced chi2 of the fit for the HGAMMA line +HGAMMA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HGAMMA line,Continuum for HGAMMA line fitting (constant) +HGAMMA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HGAMMA line,Inverse variance of the HGAMMA line continuum +HGAMMA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HGAMMA line,Fitted HGAMMA line rest-frame equivalent width +HGAMMA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HGAMMA line,Inverse variance of HGAMMA_EW (rest frame) +HGAMMA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HGAMMA line,Fitted flux for the HGAMMA line +HGAMMA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HGAMMA line,Inverse variance of fitted HGAMMA line flux +HGAMMA_NDOF,int32,,Number of degrees of freedom of the fit for the HGAMMA line,Number of deg of freedom of HGAMMA line fit +HGAMMA_SHARE,float32,,NaN (SHARE not relevant for HGAMMA line),NaN (SHARE not relevant for HGAMMA line) +HGAMMA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HGAMMA line),NaN (SHARE not relevant for HGAMMA line) +HGAMMA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HGAMMA line,Fitted HGAMMA line width in the observed frame +HGAMMA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HGAMMA line,Inverse variance of HGAMMA_SIGMA (obs frame) +HPXPIXEL,int64,,HEALPixel containing this location at NSIDE=64 in the NESTED scheme,HEALPixel at this location (NSIDE=64; NESTED) +IN_DESI,int16,,Used by fiberassign to make a tile in the DESI footprint; always set to 1,Used by fiberassign to create tile; set to 1 +IN_RADIUS,float32,arcsec,Radius used to set the ``IN_BRIGHT_OBJECT`` bit in the ``DESI_TARGET`` bitmask.,Radius used to set the IN_BRIGHT_OBJECT bit +IS_QSO_MGII,bool,,Boolean: True if the object passes the MgII selection,True if the object passes the MgII selection +IS_QSO_QN,int16,,Spectroscopic classification from QuasarNET (1 for a quasar),True if the object passes QuasarNET selection +KCORR_G0P0,float64,,g-band k-correction at redshift=0.0,g-band k-correction at redshift=0.0 +KCORR_G0P1,float64,,g-band k-correction at redshift=0.1,g-band k-correction at redshift=0.1 +KCORR_R0P0,float64,,r-band k-correction at redshift=0.0,r-band k-correction at redshift=0.0 +KCORR_R0P1,float64,,r-band k-correction at redshift=0.1,r-band k-correction at redshift=0.1 +LAMBDA_REF,float32,Angstrom,Requested wavelength at which targets should be centered on fibers,Requested central wavelength for fiber +LASTNIGHT,int32,,Final night of observation included in a series of coadds,Final night of observation in series of coadds +LC_FLUX_IVAR_W1,float32[15],nanomaggy^-2,Inverse variance of LC_FLUX_W1 (AB system; defaults to zero for unused entries),Inverse variance of LC_FLUX_W1 (AB; 0 if N/A) +LC_FLUX_IVAR_W2,float32[15],nanomaggy^-2,Inverse variance of LC_FLUX_W2 (AB system; defaults to zero for unused entries),Inverse variance of LC_FLUX_W2 (AB; 0 if N/A) +LC_FLUX_W1,float32[15],nanomaggy,FLUX_W1 in each of up to fifteen unWISE coadd epochs (AB system; defaults to zero for unused entries),AB FLUX_W1 in up to 15 coadd epochs (0 if N/A) +LC_FLUX_W2,float32[15],nanomaggy,FLUX_W2 in each of up to fifteen unWISE coadd epochs (AB system; defaults to zero for unused entries),AB FLUX_W2 in up to 15 coadd epochs (0 if N/A) +LC_MJD_W1,float64[15],,MJD_W1 in each of up to fifteen unWISE coadd epochs (defaults to zero for unused entries),MJD_W1 in up to 15 coadd epochs (0 if N/A) +LC_MJD_W2,float64[15],,MJD_W2 in each of up to fifteen unWISE coadd epochs (defaults to zero for unused entries),MJD_W2 in up to 15 coadd epochs (0 if N/A) +LC_NOBS_W1,int16[15],,NOBS_W1 in each of up to fifteen unWISE coadd epochs,NOBS_W1 in up to 15 unWISE coadd epochs +LC_NOBS_W2,int16[15],,NOBS_W2 in each of up to fifteen unWISE coadd epochs,NOBS_W2 in up to 15 unWISE coadd epochs +LOCATION,int64,,Location on the focal plane PETAL_LOC*1000 + DEVICE_LOC,Loc on focal plane PETAL_LOC*1000 + DEVICE_LOC +LOCATION_ASSIGNED,bool,,True/False for assigned/unassigned for the target in question,True if assigned for the target in question +LRG_MASK,binary,,Imaging mask bits relevant to LRG targets,Imaging mask bits relevant to LRG targets +MAIN_NSPEC,int32,,Number of coadded spectra for this TARGETID in Main survey,Nb of coadded spectra in Main survey for TID +MAIN_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in Main survey,True if primary coadd spectrum in Main survey +MASKBITS,int16,,Bitwise mask from the imaging indicating potential issue or blending,Bitwise mask from imaging for potential issues +MEAN_DELTA_X,float32,mm,Mean (over exposures) fiber difference requested - actual CS5 X location on focal plane,Mean fiber diff (requested - actual CS5 X loc) +MEAN_DELTA_Y,float32,mm,Mean (over exposures) fiber difference requested - actual CS5 Y location on focal plane,Mean fiber diff (requested - actual CS5 Y loc) +MEAN_FIBER_DEC,float64,deg,Mean (over exposures) DEC of actual fiber position,Mean (over exposures) DEC of fiber position +MEAN_FIBER_RA,float64,deg,Mean (over exposures) RA of actual fiber position,Mean (over exposures) RA of fiber position +MEAN_FIBER_X,float32,mm,Mean (over exposures) fiber CS5 X location on focal plane,Mean (over exposures) fiber CS5 X loc on FP +MEAN_FIBER_Y,float32,mm,Mean (over exposures) fiber CS5 Y location on focal plane,Mean (over exposures) fiber CS5 Y loc on FP +MEAN_PSF_TO_FIBER_SPECFLUX,float32,,Mean of input exposures fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing,Mean PSF light fraction within 1.5arcsec fiber +MEDIAN_CALIB_COUNT_B,float64,,Median of calibrated flux in B camera,Median of calibrated flux in B camera +MEDIAN_CALIB_COUNT_R,float64,,Median of calibrated flux in R camera,Median of calibrated flux in R camera +MEDIAN_CALIB_COUNT_Z,float64,,Median of calibrated flux in Z camera,Median of calibrated flux in Z camera +MEDIAN_CALIB_SNR_B,float64,,Median(S/N) of calibrated flux in B camera,Median(S/N) of calibrated flux in B camera +MEDIAN_CALIB_SNR_R,float64,,Median(S/N) of calibrated flux in R camera,Median(S/N) of calibrated flux in R camera +MEDIAN_CALIB_SNR_Z,float64,,Median(S/N) of calibrated flux in Z camera,Median(S/N) of calibrated flux in Z camera +MEDIAN_FFLAT_COUNT_B,float64,,Median of fiber-flatfielded counts in B camera,Median of fiber-flatfielded counts in B camera +MEDIAN_FFLAT_COUNT_R,float64,,Median of fiber-flatfielded counts in R camera,Median of fiber-flatfielded counts in R camera +MEDIAN_FFLAT_COUNT_Z,float64,,Median of fiber-flatfielded counts in Z camera,Median of fiber-flatfielded counts in Z camera +MEDIAN_FFLAT_SNR_B,float64,,Median(S/N) of fiberflatfielded counts in B camera,Median(S/N) of B cam fiberflatfielded counts +MEDIAN_FFLAT_SNR_R,float64,,Median(S/N) of fiberflatfielded counts in R camera,Median(S/N) of R cam fiberflatfielded counts +MEDIAN_FFLAT_SNR_Z,float64,,Median(S/N) of fiberflatfielded counts in Z camera,Median(S/N) of Z cam fiberflatfielded counts +MEDIAN_RAW_COUNT_B,float64,,Median of raw counts in B camera,Median of raw counts in B camera +MEDIAN_RAW_COUNT_R,float64,,Median of raw counts in R camera,Median of raw counts in R camera +MEDIAN_RAW_COUNT_Z,float64,,Median of raw counts in Z camera,Median of raw counts in Z camera +MEDIAN_RAW_SNR_B,float64,,Median(raw signal/noise) in B camera,Median(raw signal/noise) in B camera +MEDIAN_RAW_SNR_R,float64,,Median(raw signal/noise) in R camera,Median(raw signal/noise) in R camera +MEDIAN_RAW_SNR_Z,float64,,Median(raw signal/noise) in Z camera,Median(raw signal/noise) in Z camera +MEDIAN_SKYSUB_COUNT_B,float64,,Median of sky-subtracted counts in B camera,Median of sky-subtracted counts in B camera +MEDIAN_SKYSUB_COUNT_R,float64,,Median of sky-subtracted counts in R camera,Median of sky-subtracted counts in R camera +MEDIAN_SKYSUB_COUNT_Z,float64,,Median of sky-subtracted counts in Z camera,Median of sky-subtracted counts in Z camera +MEDIAN_SKYSUB_SNR_B,float64,,Median(S/N) of sky-subtracted counts in B camera,Median(S/N) of sky-subtracted counts in B cam +MEDIAN_SKYSUB_SNR_R,float64,,Median(S/N) of sky-subtracted counts in R camera,Median(S/N) of sky-subtracted counts in R cam +MEDIAN_SKYSUB_SNR_Z,float64,,Median(S/N) of sky-subtracted counts in Z camera,Median(S/N) of sky-subtracted counts in Z cam +MJD,float64,d,Modified Julian Date when shutter was opened for this exposure,Modified Julian Date when shutter open for exp +MJD_BEGIN,float64,d,Start of the allowed observing window for this target (Modified Julian Date),Start of the allowed observing window (MJD) +MJD_END,float64,d,End of the allowed observing window for this target (Modified Julian Date),End of the allowed observing window (MJD) +MORPHTYPE,char[4],,Imaging Surveys morphological type from Tractor,Imaging Survey morphological type from Tractor +MWS_TARGET,int64,,Milky Way Survey targeting bits,Milky Way Survey targeting bits +MW_TRANSMISSION_G,float32,,Milky Way dust transmission in LS g-band,Milky Way dust transmission in LS g-band +MW_TRANSMISSION_R,float32,,Milky Way dust transmission in LS r-band,Milky Way dust transmission in LS r-band +MW_TRANSMISSION_W1,float32,,Milky Way dust transmission in WISE W1,Milky Way dust transmission in WISE W1 +MW_TRANSMISSION_W2,float32,,Milky Way dust transmission in WISE W2,Milky Way dust transmission in WISE W2 +MW_TRANSMISSION_W3,float32,,Milky Way dust transmission in WISE W3,Milky Way dust transmission in WISE W3 +MW_TRANSMISSION_W4,float32,,Milky Way dust transmission in WISE W4,Milky Way dust transmission in WISE W4 +MW_TRANSMISSION_Z,float32,,Milky Way dust transmission in LS z-band,Milky Way dust transmission in LS z-band +NCOEFF,int64,,Number of Redrock template coefficients,Number of Redrock template coefficients +NEAR_RADIUS,float32,arcsec,Radius used to set the ``NEAR_BRIGHT_OBJECT`` bit in the ``DESI_TARGET`` bitmask.,Radius used to set the NEAR_BRIGHT_OBJECT bit +NIGHT,int32,,Night of observation (YYYYMMDD) starting at local noon before observations start,YYYYMMDD date at start of this observing night +NOBS_G,int16,,Number of images for central pixel in g-band,Number of images for central pixel in g-band +NOBS_R,int16,,Number of images for central pixel in r-band,Number of images for central pixel in r-band +NOBS_Z,int16,,Number of images for central pixel in z-band,Number of images for central pixel in z-band +NPIXELS,int64,,Number of unmasked pixels contributing to the Redrock fit,Number of unmasked pixels used in Redrock fit +NTILE,int64,,Number of tiles target was available on,Number of tiles target was available on +NUMOBS,int64,,"Number of spectroscopic observations (on this specific, single tile)",Nb of spectro observations of this given tile +NUMOBS_INIT,int64,,Initial number of observations for target calculated across target selection bitmasks and OBSCONDITIONS,Initial number of observations for target +NUMOBS_MORE,int64,,Number of additional observations needed,Number of additional observations needed +NUMTARGET,int16,,Total number of targets that this positioner covered,Total number of targets covered by positioner +NUM_ITER,int64,,Number of positioner iterations,Number of positioner iterations +NZ,float64,h^3 Mpc^-3,"The comoving number density of the tracer at the given redshift, assuming complete sample",Comoving number density of tracer at given z +O2C,float64,,The criteria for assessing strength of OII emission for ELG observations,Criterion for strength of OII emission for ELG +OBJID,int32,,Imaging Surveys OBJID on that brick (renamed BRICK_OBJID),Imaging Surveys OBJID on brick (BRICK_OBJID) +OBJTYPE,char[3],,"Object type: TGT, SKY, NON, BAD","Object type: TGT, SKY, NON, BAD" +OBSCONDITIONS,int32,,Bitmask of allowed observing conditions,Bitmask of allowed observing conditions +OCLAYER,char[6],,Either 'DARK' for dark-time or 'BRIGHT' to observe in either bright- or dark-time,DARK for dark time or BRIGHT for any time +OIII_CHI2,float32,,Reduced chi2 of the fit for the [OIII] doublet,Reduced chi2 of the fit for the [OIII] doublet +OIII_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the [OIII] doublet,Continuum for [OIII] doublet fit (constant) +OIII_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the [OIII] doublet,Inverse variance of [OIII] doublet continuum +OIII_EW,float32,Angstrom,Fitted rest-frame equivalent width for the [OIII] doublet,[OIII] doublet rest-frame equivalent width +OIII_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the [OIII] doublet,Inverse variance of fitted OIII_EW +OIII_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the [OIII] doublet,Fitted flux for the [OIII] doublet +OIII_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the [OIII] doublet,Inverse variance of fitted [OIII] doublet flux +OIII_NDOF,int32,,Number of degrees of freedom of the fit for the [OIII] doublet,Nb of degrees of freedom of [OIII] doublet fit +OIII_SHARE,float32,,"F1/(F0+F1) for the [OIII] doublet, where F0 and F1 are the individual line fluxes (SHARE value fixed during the fit)","F1/(F0+F1) for [OIII] w/ F0, F1 each line flux" +OIII_SHARE_IVAR,float32,,"Infinite value, as SHARE is fixed during the fit",Infinity because SHARE is fixed during the fit +OIII_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the [OIII] doublet,Fitted [OIII] line width in the observed frame +OIII_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the [OIII] doublet,Inverse variance of OIII_SIGMA (obs frame) +OII_CHI2,float32,,Reduced chi2 of the fit for the [OII] doublet,Reduced chi2 of the fit for the [OII] doublet +OII_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the [OII] doublet,Continuum for [OII] doublet fit (constant) +OII_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the [OII] doublet,Inverse variance of [OII] doublet continuum +OII_EW,float32,Angstrom,Fitted rest-frame equivalent width for the [OII] doublet,[OII] doublet rest-frame equivalent width +OII_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the [OII] doublet,Inverse variance of fitted OII_EW +OII_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the [OII] doublet,Fitted flux for the [OII] doublet +OII_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the [OII] doublet,Inverse variance of fitted [OII] doublet flux +OII_NDOF,int32,,Number of degrees of freedom of the fit for the [OII] doublet,Nb of degrees of freedom of [OII] doublet fit +OII_SHARE,float32,,"Fitted F1/(F0+F1) for the [OII] doublet, where F0 and F1 are the individual line fluxes","F1/(F0+F1) for [OII] w/ F0, F1 each line flux" +OII_SHARE_IVAR,float32,,Inverse variance of the fitted F1/(F0+F1) for the [OII] doublet,Inverse variance of OII_SHARE value +OII_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the [OII] doublet,Fitted [OII] line width in the observed frame +OII_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the [OII] doublet,Inverse variance of OII_SIGMA (obs frame) +PARALLAX,float32,mas,Reference catalog parallax,Reference catalog parallax +PARALLAX_IVAR,float32,mas^-2,Inverse variance of PARALLAX,Inverse variance of PARALLAX +PETAL_LOC,int16,,Petal location [0-9],Petal location [0-9] +PHOTSYS,char[1],,"N' for the MzLS/BASS photometric system, 'S' for DECaLS",Photom system: N for MzLS/BASS; S for DECaLS +PLATE_DEC,float64,deg,Barycentric Declination in ICRS to be used by PlateMaker,Barycentric Declination for PlateMaker (ICRS) +PLATE_RA,float64,deg,Barycentric Right Ascension in ICRS to be used by PlateMaker,Barycentric RA for PlateMaker (ICRS) +PLATE_REF_EPOCH,float64,yr,Copy of REF_EPOCH to be used by PlateMaker,Copy of REF_EPOCH for PlateMaker +PMDEC,float32,mas yr^-1,Proper motion in the +Dec direction,Proper motion in the +Dec direction +PMDEC_IVAR,float32,yr^2 mas^-2,Inverse variance of PMDEC,Inverse variance of PMDEC +PMRA,float32,mas yr^-1,proper motion in the +RA direction (already including cos(dec)),"Proper motion in +RA direction, incl. cos(dec)" +PMRA_IVAR,float32,yr^2 mas^-2,Inverse variance of PMRA,Inverse variance of PMRA +PRIORITY,int32,,Target current priority,Target current priority +PRIORITY_INIT,int64,,Target initial priority from target selection bitmasks and OBSCONDITIONS,Target initial priority from target selection +PROBA_RF,float32,,Probability of being a quasar generated by the quasar Random Forest targeting algorithm.,Probability of being a QSO from Random Forest +PROB_OBS,float64,,The number alternative assignment histories that the target was assigned in divided by 128,Probability of assignment in alt histories +PROGRAM,char[6],,"DESI program type - BRIGHT, DARK, BACKUP, OTHER","DESI program type: BRIGHT, DARK, BACKUP, OTHER" +PSFDEPTH_G,float32,nanomaggy^-2,PSF-based depth in g-band,PSF-based depth in g-band +PSFDEPTH_R,float32,nanomaggy^-2,PSF-based depth in r-band,PSF-based depth in r-band +PSFDEPTH_W1,float32,nanomaggy^-2,PSF-based depth in WISE W1,PSF-based depth in WISE W1 +PSFDEPTH_W2,float32,nanomaggy^-2,PSF-based depth in WISE W2,PSF-based depth in WISE W2 +PSFDEPTH_Z,float32,nanomaggy^-2,PSF-based depth in z-band,PSF-based depth in z-band +PSFSIZE_G,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in g-band,Median g-band PSF size of BRICK_PRIMARY objs +PSFSIZE_R,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in r-band,Median r-band PSF size of BRICK_PRIMARY objs +PSFSIZE_Z,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in z-band,Median z-band PSF size of BRICK_PRIMARY objs +PSF_TO_FIBER_SPECFLUX,float64,,fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing,PSF light fraction within fiber (given seeing) +RA,float64,deg,Barycentric Right Ascension in ICRS,Barycentric Right Ascension in ICRS +RA_IVAR,float32,deg^-2,"Inverse variance of RA (no cosine term!), excluding astrometric calibration errors",Inv variance of RA; w/o cos(dec) or astrom err +REF_CAT,char[2],,"Reference catalog source for star: 'T2' for Tycho-2, 'G2' for Gaia DR2, 'L2' for the SGA, empty otherwise","Ref catalog (T2=Tycho-2, G2=Gaia DR2, L2=SGA)" +REF_EPOCH,float32,yr,Reference epoch for Gaia/Tycho astrometry. Typically 2015.5 for Gaia,Reference epoch for Gaia/Tycho astrometry +REF_ID,int64,,"Tyc1*1,000,000+Tyc2*10+Tyc3 for Tycho-2; ``sourceid`` for Gaia DR2",Tyc1*1e6+Tyc2*10+Tyc3 (Tycho); sourceid (Gaia) +REF_MAG,float32,mag,"Magnitude used to calculate ``IN_RADIUS``; typically, in order of preference, G-band for Gaia or VT then HP then BT for Tycho.","Mag for IN_RADIUS: G (Gaia); VT,HP,BT (Tycho)" +RELEASE,int16,,Imaging surveys release ID,Imaging surveys release ID +REST_GMR_0P0,float64,,Rest-frame g-r colour at redshift=0.0,Rest-frame g-r colour at redshift=0.0 +REST_GMR_0P1,float64,,Rest-frame g-r colour at redshift=0.1,Rest-frame g-r colour at redshift=0.1 +RMS_DELTA_X,float32,mm,RMS (over exposures) of the fiber difference between measured and requested CS5 X location on focal plane,RMS (over exposures) fiber CS5 X loc on FP +RMS_DELTA_Y,float32,mm,RMS (over exposures) of the fiber difference between measured and requested CS5 Y location on focal plane,RMS (over exposures) fiber CS5 Y loc on FP +ROSETTE_NUMBER,int32,,Rosette number ID [0-19],Rosette number ID [0-19] +ROSETTE_R,float64,deg,Radius from the center of the rosette to the target,Radius from the rosette center to the target +SCND_TARGET,int64,,Target selection bitmask for secondary programs,Target select. bitmask for secondary programs +SCND_ORDER,int32,,Number of row for target entry in secondary file (placeholder; needed by fiberassign),Nb of row for target entry in secondary file +SEEING_ETC,float64,arcsec,Average FWHM atmospheric seeing during this exposure as measured by ETC,Average FWHM atm seeing during exposure (ETC) +SEEING_GFA,float64,arcsec,Average FWHM atmospheric seeing during this exposure as measured by GFA,Average FWHM atm seeing during exposure (GFA) +SERSIC,float32,,Power-law index for the Sersic profile model (MORPHTYPE='SER'),Sersic profile power-law index (MORPHTYPE=SER) +SERSIC_IVAR,float32,,Inverse variance of SERSIC,Inverse variance of SERSIC +SHAPEDEV_E1,float32,,deVaucouleurs shape fit ellipticity parameter e1,deVaucouleurs shape fit ellipticity param e1 +SHAPEDEV_E1_IVAR,float32,,Inverse variance of SHAPEDEV_E1,Inverse variance of SHAPEDEV_E1 +SHAPEDEV_E2,float32,,deVaucouleurs shape fit ellipticity parameter e2,deVaucouleurs shape fit ellipticity param e2 +SHAPEDEV_E2_IVAR,float32,,Inverse variance of SHAPEDEV_E2,Inverse variance of SHAPEDEV_E2 +SHAPEDEV_R,float32,arcsec,deVaucouleurs shape half-light radius,deVaucouleurs shape half-light radius +SHAPEDEV_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPEDEV_R,Inverse variance of SHAPEDEV_R +SHAPEEXP_E1,float32,,Imaging exponential shape fit ellipticity parameter e1,Exponential shape fit ellipticity param e1 +SHAPEEXP_E1_IVAR,float32,,Inverse variance of SHAPEEXP_E1,Inverse variance of SHAPEEXP_E1 +SHAPEEXP_E2,float32,,Imaging exponential shape fit ellipticity parameter e2,Exponential shape fit ellipticity param e2 +SHAPEEXP_E2_IVAR,float32,,Inverse variance of SHAPEEXP_E2,Inverse variance of SHAPEEXP_E2 +SHAPEEXP_R,float32,arcsec,Imaging exponential shape half-light radius,Imaging exponential shape half-light radius +SHAPEEXP_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPEEXP_R,Inverse variance of SHAPEEXP_R +SHAPE_E1,float32,,Ellipticity component 1 of galaxy model for galaxy type MORPHTYPE,Ellipticity param e1 of galaxy model MORPHTYPE +SHAPE_E1_IVAR,float32,,Inverse variance of SHAPE_E1,Inverse variance of SHAPE_E1 +SHAPE_E2,float32,,Ellipticity component 2 of galaxy model for galaxy type MORPHTYPE,Ellipticity param e2 of galaxy model MORPHTYPE +SHAPE_E2_IVAR,float32,,Inverse variance of SHAPE_E2,Inverse variance of SHAPE_E2 +SHAPE_R,float32,arcsec,Half-light radius of galaxy model (>0),Half-light radius of galaxy model (>0) +SHAPE_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPE_R,Inverse variance of SHAPE_R +SIGMA_MGII,float32,Angstrom,Fitted parameter SIGMA (linewidth) by MgII fitter (in angstrom?),Fitted param SIGMA (linewidth) by MgII fitter +SPECTRO,int16,,Spectrograph number [0-9],Spectrograph number [0-9] +SPECTROID,int32,,Hardware ID of spectrograph (not used),Hardware ID of spectrograph (not used) +SPECTYPE,char[6],,"Spectral type of Redrock best fit template (e.g. GALAXY, QSO, STAR)","Best-fit spectral type: GALAXY, QSO, STAR" +SPGRPVAL,int32,,Value by which spectra are grouped for a coadd (e.g. a YEARMMDD night),Value by which spectra are grouped for a coadd +STD_FIBER_DEC,float32,arcsec,Standard deviation (over exposures) of DEC of actual fiber position,Std deviation (over exposures) of fiber DEC +STD_FIBER_RA,float32,arcsec,Standard deviation (over exposures) of RA of actual fiber position,Std deviation (over exposures) of fiber RA +SUBPRIORITY,float64,,Random subpriority [0-1) to break assignment ties,Random subpriority [0-1) to break assign ties +SUBTYPE,char[20],,Spectral subtype,Spectral subtype +SUM_CALIB_COUNT_B,float64,,Sum of calibrated flux in B camera,Sum of calibrated flux in B camera +SUM_CALIB_COUNT_R,float64,,Sum of calibrated flux in R camera,Sum of calibrated flux in R camera +SUM_CALIB_COUNT_Z,float64,,Sum of calibrated flux in Z camera,Sum of calibrated flux in Z camera +SUM_FFLAT_COUNT_B,float64,,Sum of fiber-flatfielded counts B camera,Sum of fiber-flatfielded counts B camera +SUM_FFLAT_COUNT_R,float64,,Sum of fiber-flatfielded counts R camera,Sum of fiber-flatfielded counts R camera +SUM_FFLAT_COUNT_Z,float64,,Sum of fiber-flatfielded counts Z camera,Sum of fiber-flatfielded counts Z camera +SUM_RAW_COUNT_B,float64,,Sum of raw counts in B camera,Sum of raw counts in B camera +SUM_RAW_COUNT_R,float64,,Sum of raw counts in R camera,Sum of raw counts in R camera +SUM_RAW_COUNT_Z,float64,,Sum of raw counts in Z camera,Sum of raw counts in Z camera +SUM_SKYSUB_COUNT_B,float64,,Sum of sky-subtracted counts in B camera,Sum of sky-subtracted counts in B camera +SUM_SKYSUB_COUNT_R,float64,,Sum of sky-subtracted counts in R camera,Sum of sky-subtracted counts in R camera +SUM_SKYSUB_COUNT_Z,float64,,Sum of sky-subtracted counts in Z camera,Sum of sky-subtracted counts in Z camera +SURVEY,char[7],,"Survey name: cmx, sv1, sv2, sv3, main",Survey name +SV1_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV1,BGS (bright time) target sel bitmask for SV1 +SV1_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV1,DESI (dark time) target sel bitmask for SV1 +SV1_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV1,MWS (bright time) target sel bitmask for SV1 +SV1_SCND_TARGET,int64,,Secondary target selection bitmask for SV1,Secondary target selection bitmask for SV1 +SV2_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV2,BGS (bright time) target sel bitmask for SV2 +SV2_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV2,DESI (dark time) target sel bitmask for SV2 +SV2_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV2,MWS (bright time) target sel bitmask for SV2 +SV2_SCND_TARGET,int64,,Secondary target selection bitmask for SV2,Secondary target selection bitmask for SV2 +SV3_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV3,BGS (bright time) target sel bitmask for SV3 +SV3_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV3,DESI (dark time) target sel bitmask for SV3 +SV3_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV3,MWS (bright time) target sel bitmask for SV3 +SV3_SCND_TARGET,int64,,Secondary target selection bitmask for SV3,Secondary target selection bitmask for SV3 +SV_NSPEC,int32,,Number of coadded spectra for this TARGETID in SV (SV1+2+3),Number of coadded spectra in SV (SV1+2+3) +SV_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in SV (SV1+2+3),True if primary coadded spectrum in SV(1+2+3) +TARGETID,int64,,Unique DESI target ID,Unique DESI target ID +TARGET_DEC,float64,deg,Barycentric declination in ICRS,Barycentric declination in ICRS +TARGET_RA,float64,deg,Barycentric right ascension in ICRS,Barycentric right ascension in ICRS +TARGET_STATE,char[*],,Combination of target class and its current observational state,Combination of target class+current obs state +TILEDEC,float64,deg,Barycentric declination of tile center in ICRS,Barycentric declination of tile center in ICRS +TILEID,int32,,Unique DESI tile ID,Unique DESI tile ID +TILELOCID,int64,,Is 10000*TILEID+LOCATION,Is 10000*TILEID+LOCATION +TILELOCIDS,char[*],,"TILELOCIDs that the target was available for, separated by '-'",Available TILELOCIDs for a target joint by '-' +TILELOCID_ASSIGNED,int64,,0/1 for unassigned/assigned for TILELOCID in question (it could have been assigned to a different target),1 if the TILELOCID is assigned (0=unassigned) +TILERA,float64,deg,Barycentric Right Ascension of tile center in ICRS,Barycentric R.A. of tile center in ICRS +TILES,char[*],,"TILEIDs of those tile, in string form separated by '-'",Available TILEIDs for a target joined by '-' +TIMESTAMP,str,s,UTC/ISO time at which the target state was updated,UTC/ISO time when the target state was updated +TOOID,int64,,ID for this target assigned by the ``CHECKER``,ID for this target assigned by the CHECKER +TOO_PRIO,char[2],,Either 'HI' for a very-high-priority target or 'LO' for a very-low-priority target,High-priority (HI) or low-priority (LO) target +TOO_TYPE,char[5],,Either 'TILE' for a special tile or 'FIBER' for a fiber-override ToO,Type: TILE=special tile; FIBER=fiber-override +TSNR2_BGS,float32,,"BGS template (S/N)^2 summed over B,R,Z","BGS template (S/N)^2 summed over B,R,Z" +TSNR2_BGS_B,float32,,BGS B template (S/N)^2,BGS B template (S/N)^2 +TSNR2_BGS_R,float32,,BGS R template (S/N)^2,BGS R template (S/N)^2 +TSNR2_BGS_Z,float32,,BGS Z template (S/N)^2,BGS Z template (S/N)^2 +TSNR2_ELG,float32,,"ELG template (S/N)^2 summed over B,R,Z","ELG template (S/N)^2 summed over B,R,Z" +TSNR2_ELG_B,float32,,ELG B template (S/N)^2,ELG B template (S/N)^2 +TSNR2_ELG_R,float32,,ELG R template (S/N)^2,ELG R template (S/N)^2 +TSNR2_ELG_Z,float32,,ELG Z template (S/N)^2,ELG Z template (S/N)^2 +TSNR2_GPBBACKUP,float64,,template (S/N)^2 for backup targets in guider pass band,Template (S/N)^2 for backup targets in BPB +TSNR2_GPBBACKUP_B,float64,,template (S/N)^2 for backup targets in guider pass band on B,Template (S/N)^2 for backup targets in GPB (B) +TSNR2_GPBBACKUP_R,float64,,template (S/N)^2 for backup targets in guider pass band on R,Template (S/N)^2 for backup targets in GPB (R) +TSNR2_GPBBACKUP_Z,float64,,template (S/N)^2 for backup targets in guider pass band on Z,Template (S/N)^2 for backup targets in GPB (Z) +TSNR2_GPBBRIGHT,float64,,template (S/N)^2 for bright targets in guider pass band,Template (S/N)^2 for bright targets in BPB +TSNR2_GPBBRIGHT_B,float64,,template (S/N)^2 for bright targets in guider pass band on B,Template (S/N)^2 for bright targets in BPB (B) +TSNR2_GPBBRIGHT_R,float64,,template (S/N)^2 for bright targets in guider pass band on R,Template (S/N)^2 for bright targets in BPB (R) +TSNR2_GPBBRIGHT_Z,float64,,template (S/N)^2 for bright targets in guider pass band on Z,Template (S/N)^2 for bright targets in BPB (Z) +TSNR2_GPBDARK,float64,,template (S/N)^2 for dark targets in guider pass band,Template (S/N)^2 for dark targets in BPB +TSNR2_GPBDARK_B,float64,,template (S/N)^2 for dark targets in guider pass band on B,Template (S/N)^2 for dark targets in BPB (B) +TSNR2_GPBDARK_R,float64,,template (S/N)^2 for dark targets in guider pass band on R,Template (S/N)^2 for dark targets in BPB (R) +TSNR2_GPBDARK_Z,float64,,template (S/N)^2 for dark targets in guider pass band on Z,Template (S/N)^2 for dark targets in BPB (Z) +TSNR2_LRG,float32,,"LRG template (S/N)^2 summed over B,R,Z","LRG template (S/N)^2 summed over B,R,Z" +TSNR2_LRG_B,float32,,LRG B template (S/N)^2,LRG B template (S/N)^2 +TSNR2_LRG_R,float32,,LRG R template (S/N)^2,LRG R template (S/N)^2 +TSNR2_LRG_Z,float32,,LRG Z template (S/N)^2,LRG Z template (S/N)^2 +TSNR2_LYA,float32,,"LYA template (S/N)^2 summed over B,R,Z","LYA template (S/N)^2 summed over B,R,Z" +TSNR2_LYA_B,float32,,LYA B template (S/N)^2,LYA B template (S/N)^2 +TSNR2_LYA_R,float32,,LYA R template (S/N)^2,LYA R template (S/N)^2 +TSNR2_LYA_Z,float32,,LYA Z template (S/N)^2,LYA Z template (S/N)^2 +TSNR2_QSO,float32,,"QSO template (S/N)^2 summed over B,R,Z","QSO template (S/N)^2 summed over B,R,Z" +TSNR2_QSO_B,float32,,QSO B template (S/N)^2,QSO B template (S/N)^2 +TSNR2_QSO_R,float32,,QSO R template (S/N)^2,QSO R template (S/N)^2 +TSNR2_QSO_Z,float32,,QSO Z template (S/N)^2,QSO Z template (S/N)^2 +TYPE,char[4],,Morphological Model type from Tractor; renamed MORPHTYPE in most files,Tractor morphological model type (MORPHTYPE) +URAT_ID,int64,,ID in the URAT catalog for sources where URAT supplemented missing Gaia astrometric information,ID in URAT catalog if applicable (ex: no Gaia) +URAT_SEP,float32,arcsec,Separation between URAT and Gaia sources where URAT supplemented missing Gaia astrometric information,"Separation b/w URAT and Gaia sources, if appl." +VAR_A_MGII,float32,,Variance of MgII fit amplitude parameter A,Variance of MgII fit amplitude parameter A +VAR_B_MGII,float32,,Variance of MgII fit offset parameter B,Variance of MgII fit offset parameter B +VAR_SIGMA_MGII,float32,,Variance of MgII fit width parameter sigma,Variance of MgII fit width parameter sigma +VERSION,char[14],,Tag of desitarget used to create the target catalog,Tag of desitarget used to make target catalog +WEIGHT,float64,,The combination of all weights to use,The combination of all weights to use +WEIGHT_COMP,float64,,1/FRACZ_TILELOCID,1/FRACZ_TILELOCID +WEIGHT_FKP,float64,,"1/(1+NZ*P0), with P0 different for each tracer","1/(1+NZ*P0), with P0 different for each tracer" +WEIGHT_SYS,float64,,"Correction for fluctuations in projected density with imaging conditions, from random forrest method",Correction for imaging conditions; RF method +WEIGHT_SYSEB,float64,,"Correction for fluctuations in projected density with imaging conditions, from linear regression method applied to eBOSS",Corr for imaging conditions; eBOSS lin regress +WEIGHT_ZFAIL,float64,,Should be all 1 at this point for main survey,Should be all 1 at this point for main survey +WISEMASK_W1,byte,,Bitwise mask for WISE W1 data,Bitwise mask for WISE W1 data +WISEMASK_W2,byte,,Bitwise mask for WISE W2 data,Bitwise mask for WISE W2 data +Z,float64,,Redshift measured by Redrock,Redshift measured by Redrock +ZCAT_NSPEC,int32,,Number of times this TARGETID appears in this catalog,Nb of coadded spectra for TARGETID in catalog +ZCAT_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in this zcatalog,True if primary coadded spectrum in catalog +ZERR,float64,,Redshift error from redrock,Redshift error from redrock +ZPOSSLOC,bool,,True/False whether the location could have been assigned to the given target class,Whether location is possible for target class +ZTILEID,int32,,ID of tile that most recently updated target's state,ID of latest tile that updated target state +ZWARN,int64,,Redshift warning bitmask from Redrock,Redshift warning bitmask from Redrock +ZWARN_MTL,int64,,The ZWARN from the zmtl file (contains extra bits),ZWARN from the zmtl file (contains extra bits) +Z_CIII,float64,,Redshift estimated by QuasarNET with CIII line,Redshift estimated by QuasarNET with CIII line +Z_CIV,float64,,Redshift estimated by QuasarNET with CIV line,Redshift estimated by QuasarNET with CIV line +Z_Halpha,float64,,Redshift estimated by QuasarNET with Halpha line,Redshift estimated by QuasarNET w\ Halpha line +Z_Hbeta,float64,,Redshift estimated by QuasarNET with Hbeta line,Redshift estimated by QuasarNET w\ Hbeta line +Z_HP,float64,,Redshift from Healpix coadd,Redshift from Healpix coadd +Z_LYA,float64,,Redshift estimated by QuasarNET with LyA line,Redshift estimated by QuasarNET with LyA line +Z_MgII,float64,,Redshift estimated by QuasarNET with MgII line,Redshift estimated by QuasarNET with MgII line +Z_QN,float64,,Redshift measured by QuasarNET using line with highest confidence,Redshift by QuasarNET; highest confidence line +Z_QN_CONF,float64,,Redshift confidence from QuasarNET,Redshift confidence from QuasarNET +Z_RR,float64,,Redshift collected from redrock file,Redshift collected from redrock file \ No newline at end of file From ee3bd9bcb888f866c7f763f92fe86a2e5ded0279 Mon Sep 17 00:00:00 2001 From: Benjamin Alan Weaver Date: Thu, 12 Sep 2024 10:31:29 -0700 Subject: [PATCH 2/7] fix csv file qa tests --- py/desidatamodel/stub.py | 8 ++++---- py/desidatamodel/test/t/column_descriptions.csv | 8 ++++---- py/desidatamodel/test/test_stub.py | 6 +++++- 3 files changed, 13 insertions(+), 9 deletions(-) diff --git a/py/desidatamodel/stub.py b/py/desidatamodel/stub.py index 7cdd1b80..18f13a41 100644 --- a/py/desidatamodel/stub.py +++ b/py/desidatamodel/stub.py @@ -713,15 +713,15 @@ def read_column_descriptions(filename): with open(filename) as fp: header = fp.readline().strip() - correct_header = 'Name,Type,Units,Description' + correct_header = 'Name,Type,Units,FullDescription,Description' if header != correct_header: - raise ValueError(f'{filename} header {header} should be {correct_header}') + raise ValueError(f'{filename} header {header} should be {correct_header}.') coldesc = dict() csvreader = csv.reader(fp) for row in csvreader: - name, dtype, units, desc = row - coldesc[name] = dict(Type=dtype, Units=units, Description=desc) + name, dtype, units, dm_desc, fits_desc = row + coldesc[name] = dict(Type=dtype, Units=units, Description=dm_desc) return coldesc diff --git a/py/desidatamodel/test/t/column_descriptions.csv b/py/desidatamodel/test/t/column_descriptions.csv index 44d2d199..2fec875f 100644 --- a/py/desidatamodel/test/t/column_descriptions.csv +++ b/py/desidatamodel/test/t/column_descriptions.csv @@ -1,4 +1,4 @@ -Name,Type,Units,Description -target,char[20],,Target Name -V_mag,float32,nanomaggy,V-band nanomaggy to test units -vdisp,float64,m/s,Velocity dispersion +Name,Type,Units,FullDescription,Description +target,char[20],,Target Name,Target Name +V_mag,float32,nanomaggy,V-band nanomaggy to test units,V-band flux +vdisp,float64,m/s,Velocity dispersion,Vel Disp diff --git a/py/desidatamodel/test/test_stub.py b/py/desidatamodel/test/test_stub.py index b6188d7d..9ce7be0a 100644 --- a/py/desidatamodel/test/test_stub.py +++ b/py/desidatamodel/test/test_stub.py @@ -685,6 +685,10 @@ def test_Stub_with_descriptions(self, mock_log): # incorrect format column description file baddescfile = self.test_files / 'bad_column_descriptions.csv' - with self.assertRaises(ValueError): + header = 'Name,dtype,Units,Description' + correct_header = 'Name,Type,Units,FullDescription,Description' + with self.assertRaises(ValueError) as exc: stub = Stub(filename, description_file=baddescfile) lines = str(stub) + self.assertEqual(exc.exception.args[0], + f'{str(baddescfile)} header {header} should be {correct_header}.') From 8693556b96afbb835c052394997d2f74a518bb97 Mon Sep 17 00:00:00 2001 From: Stephen Bailey Date: Thu, 12 Sep 2024 14:03:57 -0700 Subject: [PATCH 3/7] reorder columns for desiutil, update DESINAME short Description --- py/desidatamodel/data/column_descriptions.csv | 904 +++++++++--------- 1 file changed, 452 insertions(+), 452 deletions(-) diff --git a/py/desidatamodel/data/column_descriptions.csv b/py/desidatamodel/data/column_descriptions.csv index 505c8328..6ead5f4b 100644 --- a/py/desidatamodel/data/column_descriptions.csv +++ b/py/desidatamodel/data/column_descriptions.csv @@ -1,452 +1,452 @@ -Name,Type,Units,FullDescription,Description -ABSMAG_R,float64,,Absolute magnitude in the r-band after k-correction,Absolute r-band magnitude after k-correction -AIRMASS,float32,,Average airmass during this exposure,Average airmass during this exposure -AIRMASS_GFA,float64,,Average airmass during this exposure as measured by GFA,Average airmass during this exposure from GFA -APFLUX_G,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the g band at this location,Total g-band flux within a 0.75 arcsec radius -APFLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of APFLUX_G,Inverse variance of APFLUX_G -APFLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of APFLUX_R,Inverse variance of APFLUX_R -APFLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of APFLUX_Z,Inverse variance of APFLUX_Z -APFLUX_R,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the r band at this location,Total r-band flux within a 0.75 arcsec radius -APFLUX_Z,float32,nanomaggy,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the z band at this location,Total z-band flux within a 0.75 arcsec radius -A_MGII,float32,,Fitted parameter A (amplitude) by MgII fitter,Fitted parameter A (amplitude) by MgII fitter -BGS_TARGET,int64,,BGS (Bright Galaxy Survey) target selection bitmask,BGS (Bright Galaxy Survey) target sel bitmask -BITWEIGHTS,int64[2],,A size of two 64 bit masks that encodes which of the alternative assignment histories that the target was assigned in,Bitmask pair for alternative target assignment -BLOBDIST,float32,pix,Maximum distance from a detected Legacy Surveys source,Max distance from a detected LS source -BRICKID,int32,,Brick ID from tractor input,Brick ID from tractor input -BRICKNAME,char[8],,Brick name from tractor input,Brick name from tractor input -BRICK_OBJID,int32,,Imaging Surveys OBJID on that brick,Imaging Surveys OBJID on that brick -B_MGII,float32,,Fitted parameter B (constant) by MgII fitter,Fitted parameter B (constant) by MgII fitter -CAMERA,char[2],,Camera identifier. Passband and SPECGRPH ([brz][0-9]).,Camera identifier [brz][0-9] -CHECKER,char[5],,Initials of researcher who vetted the target,Initials of researcher who vetted the target -CHI2,float64,,Best fit chi squared,Best fit chi squared -CMX_TARGET,int64,,Target selection bitmask for commissioning,Target selection bitmask for commissioning -COADD_EXPTIME,float32,s,Summed exposure time for coadd,Summed exposure time for coadd -COADD_FIBERSTATUS,int32,,bitwise-AND of input FIBERSTATUS,bitwise-AND of input FIBERSTATUS -COADD_NUMEXP,int16,,Number of exposures in coadd,Number of exposures in coadd -COADD_NUMNIGHT,int16,,Number of nights in coadd,Number of nights in coadd -COADD_NUMTILE,int16,,Number of tiles in coadd,Number of tiles in coadd -COEFF,float64[10],,Redrock template coefficients,Redrock template coefficients -COMP_TILE,float64,,Assignment completeness for all targets of this type with the same value for TILES,Assignment completeness given the target class -C_CIII,float32,,Confidence for CIII line,Confidence for CIII line -C_CIV,float32,,Confidence for CIV line,Confidence for CIV line -C_Halpha,float32,,Confidence for Halpha line,Confidence for Halpha line -C_Hbeta,float32,,Confidence for Hbeta line,Confidence for Hbeta line -C_LYA,float32,,"Confidence for LyA line, i.e. ~probability to be a QSO",Confidence that LyA line (probability for QSO) -C_MgII,float32,,Confidence for MgII line,Confidence for MgII line -DCHISQ,float32[5],,Difference in chi-squared between Tractor model fits,Difference in chi-squared between Tractor fits -DEC,float64,deg,Barycentric declination in ICRS,Barycentric declination in ICRS -DEC_IVAR,float32,deg^-2,"Inverse variance of DEC, excluding astrometric calibration errors","Inverse variance of DEC, excl astrom calib err" -DELTACHI2,float64,,chi2 difference between first- and second-best redrock template fits,chi2 diff b/w 1st and 2nd-best Redrock fits -DELTA_CHI2,float32,,Difference of chi2 between redrock fit and MgII fitter over the lambda interval considered during the fit,chi2 diff b/w Redrock fit and MgII fitter -DELTA_X,float64,mm,CS5 X requested minus actual position,CS5 X requested minus actual position -DELTA_Y,float64,mm,CS5 Y requested minus actual position,CS5 Y requested minus actual position -DESI_TARGET,int64,,DESI (dark time program) target selection bitmask,DESI (dark program) target selection bitmask -DESINAME,char[22],,"Human readable identifier of a sky location DESI JXXX.XXXX[+/-]YY.YYYY, where X,Y=truncated decimal TARGET_RA, TARGET_DEC, precise to 0.36 arcsec. Multiple objects can map to a single DESINAME if very close on the sky.","DESI JXXX.XXXX[+/-]YY.YYYY; X,Y=decimal RA,DEC" -DEVICE_LOC,int32,,Device location on focal plane [0-523],Device location on focal plane [0-523] -DEVICE_TYPE,char[3],,Device type,Device type -EBV,float32,mag,Galactic extinction E(B-V) reddening from SFD98,Galactic extinction E(B-V) from SFD98 -EFFTIME_ETC,float64,s,Effective exposure time for nominal conditions inferred from ETC data,Effective exp time (nominal conditions; ETC) -EFFTIME_SPEC,float64,s,Effective exposure time for nominal conditions derived from the TSNR2 fits to the spectroscopy,Effective exp time (nominal conditions; TSNR2) -EQ_ALL_0P0,float64,,e-correction at redshift=0.0,e-correction at redshift=0.0 -EQ_ALL_0P1,float64,,e-correction at redshift=0.1,e-correction at redshift=0.1 -EXPID,int32,,DESI Exposure ID number,DESI Exposure ID number -EXPTIME,float64,s,Length of time shutter was open,Length of time shutter was open -FAFLAVOR,char[*],,Fiberassign flavor name,Fiberassign flavor name -FAPRGRM,char[*],,Fiberassign program name,Fiberassign program name -FA_TARGET,int64,,Targeting bit internally used by fiberassign (linked with FA_TYPE),Internal targeting bit for fiberassign -FA_TYPE,binary,,"Fiberassign internal target type (science, standard, sky, safe, suppsky)",Internal target type for fiberassign -FIBER,int32,,Fiber ID on the CCDs [0-4999],Fiber ID on the CCDs [0-4999] -FIBERASSIGN_X,float32,mm,Fiberassign expected CS5 X location on focal plane,Fiberassign expected CS5 X loc on focal plane -FIBERASSIGN_Y,float32,mm,Fiberassign expected CS5 Y location on focal plane,Fiberassign expected CS5 Y loc on focal plane -FIBERFLUX_G,float32,nanomaggy,Predicted g-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing,Predicted object g flux within diam 1.5 arcsec -FIBERFLUX_R,float32,nanomaggy,Predicted r-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing,Predicted object r flux within diam 1.5 arcsec -FIBERFLUX_Z,float32,nanomaggy,Predicted z-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing,Predicted object z flux within diam 1.5 arcsec -FIBERFLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_G``,Inverse variance of FIBERFLUX_G -FIBERFLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_R``,Inverse variance of FIBERFLUX_R -FIBERFLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of ``FIBERFLUX_Z``,Inverse variance of FIBERFLUX_Z -FIBERSTATUS,int32,,Fiber status mask. 0=good,Fiber status mask. 0=good -FIBERTOTFLUX_G,float32,nanomaggy,Predicted g-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total g flux within diam 1.5 arcsec -FIBERTOTFLUX_R,float32,nanomaggy,Predicted r-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total r flux within diam 1.5 arcsec -FIBERTOTFLUX_W1,float32,nanomaggy,Predicted WISE W1-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total W1 flux within diam 1.5 arcsec -FIBERTOTFLUX_W2,float32,nanomaggy,Predicted WISE W2-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total W2 flux within diam 1.5 arcsec -FIBERTOTFLUX_Z,float32,nanomaggy,Predicted z-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing,Predicted total z flux within diam 1.5 arcsec -FIBER_DEC,float64,deg,DEC of actual fiber position,DEC of actual fiber position -FIBER_RA,float64,deg,RA of actual fiber position,RA of actual fiber position -FIBER_X,float64,mm,CS5 X location requested by PlateMaker,CS5 X location requested by PlateMaker -FIBER_Y,float64,mm,CS5 Y location requested by PlateMaker,CS5 Y location requested by PlateMaker -FLUX_G,float32,nanomaggy,Flux in the Legacy Survey g-band (AB),Flux in the Legacy Survey g-band (AB) -FLUX_G_DERED,float32,nanomaggy,Flux in the g-band after correcting for Galactic extinction (AB system),FLUX_G corrected for Galactic extinction (AB) -FLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of FLUX_G (AB),Inverse variance of FLUX_G (AB) -FLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of FLUX_R (AB),Inverse variance of FLUX_R (AB) -FLUX_IVAR_W1,float32,nanomaggy^-2,Inverse variance of FLUX_W1 (AB),Inverse variance of FLUX_W1 (AB) -FLUX_IVAR_W2,float32,nanomaggy^-2,Inverse variance of FLUX_W2 (AB),Inverse variance of FLUX_W2 (AB) -FLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of FLUX_Z (AB),Inverse variance of FLUX_Z (AB) -FLUX_R,float32,nanomaggy,Flux in the Legacy Survey r-band (AB),Flux in the Legacy Survey r-band (AB) -FLUX_R_DERED,float32,nanomaggy,Flux in the r-band after correcting for Galactic extinction (AB system),FLUX_R corrected for Galactic extinction (AB) -FLUX_W1,float32,nanomaggy,WISE flux in W1 (AB),WISE flux in W1 (AB) -FLUX_W1_DERED,float32,nanomaggy,Flux in the WISE W1-band after correcting for Galactic extinction (AB system),FLUX_W1 corrected for Galactic extinction (AB) -FLUX_W2,float32,nanomaggy,WISE flux in W2 (AB),WISE flux in W2 (AB) -FLUX_W2_DERED,float32,nanomaggy,Flux in the WISE W2-band after correcting for Galactic extinction (AB system),FLUX_W2 corrected for Galactic extinction (AB) -FLUX_Z,float32,nanomaggy,Flux in the Legacy Survey z-band (AB),Flux in the Legacy Survey z-band (AB) -FLUX_Z_DERED,float32,nanomaggy,Flux in the z-band after correcting for Galactic extinction (AB system),FLUX_Z corrected for Galactic extinction (AB) -FRACZ_TILELOCID,float64,,The fraction of targets of this type at this TILELOCID that received an observation (after forcing each target to a unique TILELOCID),Frac of targets obs at TILELOCID given class -GAIA_ASTROMETRIC_EXCESS_NOISE,float32,,Gaia astrometric excess noise,Gaia astrometric excess noise -GAIA_ASTROMETRIC_PARAMS_SOLVED,int64,,which astrometric parameters were estimated for a Gaia source,Astrometric params estimated for a Gaia source -GAIA_ASTROMETRIC_SIGMA5D_MAX,float32,mas,Gaia longest semi-major axis of the 5-d error ellipsoid,Gaia semi-major axis of 5-d error ellipsoid -GAIA_DEC,float64,deg,Gaia ICRS declination,Gaia ICRS declination -GAIA_DUPLICATED_SOURCE,bool,,Gaia duplicated source flag,Gaia duplicated source flag -GAIA_PHOT_BP_MEAN_FLUX_OVER_ERROR,float32,,Gaia BP band signal-to-noise,Gaia BP band signal-to-noise -GAIA_PHOT_BP_MEAN_MAG,float32,mag,Gaia BP band magnitude,Gaia BP band magnitude -GAIA_PHOT_BP_N_OBS,int32,,Gaia BP band number of observations,Gaia BP band number of observations -GAIA_PHOT_BP_RP_EXCESS_FACTOR,float32,,Gaia BP/RP excess factor,Gaia BP/RP excess factor -GAIA_PHOT_G_MEAN_FLUX_OVER_ERROR,float32,,Gaia G band signal-to-noise,Gaia G band signal-to-noise -GAIA_PHOT_G_MEAN_MAG,float32,mag,Gaia G band magnitude,Gaia G band magnitude -GAIA_PHOT_G_N_OBS,int32,,Gaia G band number of observations,Gaia G band number of observations -GAIA_PHOT_RP_MEAN_FLUX_OVER_ERROR,float32,,Gaia RP band signal-to-noise,Gaia RP band signal-to-noise -GAIA_PHOT_RP_MEAN_MAG,float32,mag,Gaia RP band magnitude,Gaia RP band magnitude -GAIA_PHOT_RP_N_OBS,int32,,Gaia RP band number of observations,Gaia RP band number of observations -GAIA_RA,float64,deg,Gaia ICRS right ascension,Gaia ICRS right ascension -GALDEPTH_G,float32,nanomaggy^-2,Galaxy model-based depth in LS g-band,Galaxy model-based depth in LS g-band -GALDEPTH_R,float32,nanomaggy^-2,Galaxy model-based depth in LS r-band,Galaxy model-based depth in LS r-band -GALDEPTH_Z,float32,nanomaggy^-2,Galaxy model-based depth in LS z-band,Galaxy model-based depth in LS z-band -GOODHARDLOC,bool,,True/False whether the fiber had good hardware,True/False whether the fiber had good hardware -GOODPRI,bool,,True/False whether the priority of what was assigned to the location was <= the base priority of the given target class,True if assigned priority <= base priority -GOODTSNR,bool,,True/False whether the TSNR_ value used was above the minimum threshold for the given target class,True if TSNR_ above minimum threshold -HALPHA_CHI2,float32,,Reduced chi2 of the fit for the HALPHA line,Reduced chi2 of the fit for the HALPHA line -HALPHA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HALPHA line,Continuum for HALPHA line fitting (constant) -HALPHA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HALPHA line,Inverse variance of HALPHA line continuum -HALPHA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HALPHA line,Fitted HALPHA line rest-frame equivalent width -HALPHA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HALPHA line,Inverse variance of fitted HALPHA_EW -HALPHA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HALPHA line,Fitted flux for the HALPHA line -HALPHA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HALPHA line,Inverse variance of fitted HALPHA line flux -HALPHA_NDOF,int32,,Number of degrees of freedom of the fit for the HALPHA line,Number of deg of freedom for HALPHA line fit -HALPHA_SHARE,float32,,NaN (SHARE not relevant for HALPHA line),NaN (SHARE not relevant for HALPHA line) -HALPHA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HALPHA line),NaN (SHARE not relevant for HALPHA line) -HALPHA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HALPHA line,Fitted HALPHA line width in the observed frame -HALPHA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HALPHA line,Inverse variance of HALPHA_SIGMA (obs frame) -HBETA_CHI2,float32,,Reduced chi2 of the fit for the HBETA line,Reduced chi2 of the fit for the HBETA line -HBETA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HBETA line,Continuum for HBETA line fitting (constant) -HBETA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HBETA line,Inverse variance of HBETA line continuum -HBETA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HBETA line,Fitted HBETA line rest-frame equivalent width -HBETA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HBETA line,Inverse variance of HBETA_EW (rest frame) -HBETA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HBETA line,Fitted flux for the HBETA line -HBETA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HBETA line,Inverse variance of fitted HBETA line flux -HBETA_NDOF,int32,,Number of degrees of freedom of the fit for the HBETA line,Number of deg of freedom for HBETA line fit -HBETA_SHARE,float32,,NaN (SHARE not relevant for HBETA line),NaN (SHARE not relevant for HBETA line) -HBETA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HBETA line),NaN (SHARE not relevant for HBETA line) -HBETA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HBETA line,Fitted HBETA line width in the observed frame -HBETA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HBETA line,Inverse variance of HBETA_SIGMA (obs frame) -HDELTA_CHI2,float32,,Reduced chi2 of the fit for the HDELTA line,Reduced chi2 of the fit for the HDELTA line -HDELTA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HDELTA line,Continuum for HDELTA line fitting (constant) -HDELTA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HDELTA line,Inverse variance of the HDELTA line continuum -HDELTA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HDELTA line,Fitted HDELTA line rest-frame equivalent width -HDELTA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HDELTA line,Inverse variance of HDELTA_EW (rest frame) -HDELTA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HDELTA line,Fitted flux for the HDELTA line -HDELTA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HDELTA line,Inverse variance of fitted HDELTA line flux -HDELTA_NDOF,int32,,Number of degrees of freedom of the fit for the HDELTA line,Number of deg of freedom of HDELTA line fit -HDELTA_SHARE,float32,,NaN (SHARE not relevant for HDELTA line),NaN (SHARE not relevant for HDELTA line) -HDELTA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HDELTA line),NaN (SHARE not relevant for HDELTA line) -HDELTA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HDELTA line,Fitted HDELTA line width in the observed frame -HDELTA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HDELTA line,Inverse variance of HDELTA_SIGMA (obs frame) -HEALPIX,int32,,HEALPixel containing this location at NSIDE=64 in the NESTED scheme,HEALPixel at this location (NSIDE=64; NESTED) -HGAMMA_CHI2,float32,,Reduced chi2 of the fit for the HGAMMA line,Reduced chi2 of the fit for the HGAMMA line -HGAMMA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the HGAMMA line,Continuum for HGAMMA line fitting (constant) -HGAMMA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the HGAMMA line,Inverse variance of the HGAMMA line continuum -HGAMMA_EW,float32,Angstrom,Fitted rest-frame equivalent width for the HGAMMA line,Fitted HGAMMA line rest-frame equivalent width -HGAMMA_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the HGAMMA line,Inverse variance of HGAMMA_EW (rest frame) -HGAMMA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HGAMMA line,Fitted flux for the HGAMMA line -HGAMMA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the HGAMMA line,Inverse variance of fitted HGAMMA line flux -HGAMMA_NDOF,int32,,Number of degrees of freedom of the fit for the HGAMMA line,Number of deg of freedom of HGAMMA line fit -HGAMMA_SHARE,float32,,NaN (SHARE not relevant for HGAMMA line),NaN (SHARE not relevant for HGAMMA line) -HGAMMA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HGAMMA line),NaN (SHARE not relevant for HGAMMA line) -HGAMMA_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the HGAMMA line,Fitted HGAMMA line width in the observed frame -HGAMMA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the HGAMMA line,Inverse variance of HGAMMA_SIGMA (obs frame) -HPXPIXEL,int64,,HEALPixel containing this location at NSIDE=64 in the NESTED scheme,HEALPixel at this location (NSIDE=64; NESTED) -IN_DESI,int16,,Used by fiberassign to make a tile in the DESI footprint; always set to 1,Used by fiberassign to create tile; set to 1 -IN_RADIUS,float32,arcsec,Radius used to set the ``IN_BRIGHT_OBJECT`` bit in the ``DESI_TARGET`` bitmask.,Radius used to set the IN_BRIGHT_OBJECT bit -IS_QSO_MGII,bool,,Boolean: True if the object passes the MgII selection,True if the object passes the MgII selection -IS_QSO_QN,int16,,Spectroscopic classification from QuasarNET (1 for a quasar),True if the object passes QuasarNET selection -KCORR_G0P0,float64,,g-band k-correction at redshift=0.0,g-band k-correction at redshift=0.0 -KCORR_G0P1,float64,,g-band k-correction at redshift=0.1,g-band k-correction at redshift=0.1 -KCORR_R0P0,float64,,r-band k-correction at redshift=0.0,r-band k-correction at redshift=0.0 -KCORR_R0P1,float64,,r-band k-correction at redshift=0.1,r-band k-correction at redshift=0.1 -LAMBDA_REF,float32,Angstrom,Requested wavelength at which targets should be centered on fibers,Requested central wavelength for fiber -LASTNIGHT,int32,,Final night of observation included in a series of coadds,Final night of observation in series of coadds -LC_FLUX_IVAR_W1,float32[15],nanomaggy^-2,Inverse variance of LC_FLUX_W1 (AB system; defaults to zero for unused entries),Inverse variance of LC_FLUX_W1 (AB; 0 if N/A) -LC_FLUX_IVAR_W2,float32[15],nanomaggy^-2,Inverse variance of LC_FLUX_W2 (AB system; defaults to zero for unused entries),Inverse variance of LC_FLUX_W2 (AB; 0 if N/A) -LC_FLUX_W1,float32[15],nanomaggy,FLUX_W1 in each of up to fifteen unWISE coadd epochs (AB system; defaults to zero for unused entries),AB FLUX_W1 in up to 15 coadd epochs (0 if N/A) -LC_FLUX_W2,float32[15],nanomaggy,FLUX_W2 in each of up to fifteen unWISE coadd epochs (AB system; defaults to zero for unused entries),AB FLUX_W2 in up to 15 coadd epochs (0 if N/A) -LC_MJD_W1,float64[15],,MJD_W1 in each of up to fifteen unWISE coadd epochs (defaults to zero for unused entries),MJD_W1 in up to 15 coadd epochs (0 if N/A) -LC_MJD_W2,float64[15],,MJD_W2 in each of up to fifteen unWISE coadd epochs (defaults to zero for unused entries),MJD_W2 in up to 15 coadd epochs (0 if N/A) -LC_NOBS_W1,int16[15],,NOBS_W1 in each of up to fifteen unWISE coadd epochs,NOBS_W1 in up to 15 unWISE coadd epochs -LC_NOBS_W2,int16[15],,NOBS_W2 in each of up to fifteen unWISE coadd epochs,NOBS_W2 in up to 15 unWISE coadd epochs -LOCATION,int64,,Location on the focal plane PETAL_LOC*1000 + DEVICE_LOC,Loc on focal plane PETAL_LOC*1000 + DEVICE_LOC -LOCATION_ASSIGNED,bool,,True/False for assigned/unassigned for the target in question,True if assigned for the target in question -LRG_MASK,binary,,Imaging mask bits relevant to LRG targets,Imaging mask bits relevant to LRG targets -MAIN_NSPEC,int32,,Number of coadded spectra for this TARGETID in Main survey,Nb of coadded spectra in Main survey for TID -MAIN_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in Main survey,True if primary coadd spectrum in Main survey -MASKBITS,int16,,Bitwise mask from the imaging indicating potential issue or blending,Bitwise mask from imaging for potential issues -MEAN_DELTA_X,float32,mm,Mean (over exposures) fiber difference requested - actual CS5 X location on focal plane,Mean fiber diff (requested - actual CS5 X loc) -MEAN_DELTA_Y,float32,mm,Mean (over exposures) fiber difference requested - actual CS5 Y location on focal plane,Mean fiber diff (requested - actual CS5 Y loc) -MEAN_FIBER_DEC,float64,deg,Mean (over exposures) DEC of actual fiber position,Mean (over exposures) DEC of fiber position -MEAN_FIBER_RA,float64,deg,Mean (over exposures) RA of actual fiber position,Mean (over exposures) RA of fiber position -MEAN_FIBER_X,float32,mm,Mean (over exposures) fiber CS5 X location on focal plane,Mean (over exposures) fiber CS5 X loc on FP -MEAN_FIBER_Y,float32,mm,Mean (over exposures) fiber CS5 Y location on focal plane,Mean (over exposures) fiber CS5 Y loc on FP -MEAN_PSF_TO_FIBER_SPECFLUX,float32,,Mean of input exposures fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing,Mean PSF light fraction within 1.5arcsec fiber -MEDIAN_CALIB_COUNT_B,float64,,Median of calibrated flux in B camera,Median of calibrated flux in B camera -MEDIAN_CALIB_COUNT_R,float64,,Median of calibrated flux in R camera,Median of calibrated flux in R camera -MEDIAN_CALIB_COUNT_Z,float64,,Median of calibrated flux in Z camera,Median of calibrated flux in Z camera -MEDIAN_CALIB_SNR_B,float64,,Median(S/N) of calibrated flux in B camera,Median(S/N) of calibrated flux in B camera -MEDIAN_CALIB_SNR_R,float64,,Median(S/N) of calibrated flux in R camera,Median(S/N) of calibrated flux in R camera -MEDIAN_CALIB_SNR_Z,float64,,Median(S/N) of calibrated flux in Z camera,Median(S/N) of calibrated flux in Z camera -MEDIAN_FFLAT_COUNT_B,float64,,Median of fiber-flatfielded counts in B camera,Median of fiber-flatfielded counts in B camera -MEDIAN_FFLAT_COUNT_R,float64,,Median of fiber-flatfielded counts in R camera,Median of fiber-flatfielded counts in R camera -MEDIAN_FFLAT_COUNT_Z,float64,,Median of fiber-flatfielded counts in Z camera,Median of fiber-flatfielded counts in Z camera -MEDIAN_FFLAT_SNR_B,float64,,Median(S/N) of fiberflatfielded counts in B camera,Median(S/N) of B cam fiberflatfielded counts -MEDIAN_FFLAT_SNR_R,float64,,Median(S/N) of fiberflatfielded counts in R camera,Median(S/N) of R cam fiberflatfielded counts -MEDIAN_FFLAT_SNR_Z,float64,,Median(S/N) of fiberflatfielded counts in Z camera,Median(S/N) of Z cam fiberflatfielded counts -MEDIAN_RAW_COUNT_B,float64,,Median of raw counts in B camera,Median of raw counts in B camera -MEDIAN_RAW_COUNT_R,float64,,Median of raw counts in R camera,Median of raw counts in R camera -MEDIAN_RAW_COUNT_Z,float64,,Median of raw counts in Z camera,Median of raw counts in Z camera -MEDIAN_RAW_SNR_B,float64,,Median(raw signal/noise) in B camera,Median(raw signal/noise) in B camera -MEDIAN_RAW_SNR_R,float64,,Median(raw signal/noise) in R camera,Median(raw signal/noise) in R camera -MEDIAN_RAW_SNR_Z,float64,,Median(raw signal/noise) in Z camera,Median(raw signal/noise) in Z camera -MEDIAN_SKYSUB_COUNT_B,float64,,Median of sky-subtracted counts in B camera,Median of sky-subtracted counts in B camera -MEDIAN_SKYSUB_COUNT_R,float64,,Median of sky-subtracted counts in R camera,Median of sky-subtracted counts in R camera -MEDIAN_SKYSUB_COUNT_Z,float64,,Median of sky-subtracted counts in Z camera,Median of sky-subtracted counts in Z camera -MEDIAN_SKYSUB_SNR_B,float64,,Median(S/N) of sky-subtracted counts in B camera,Median(S/N) of sky-subtracted counts in B cam -MEDIAN_SKYSUB_SNR_R,float64,,Median(S/N) of sky-subtracted counts in R camera,Median(S/N) of sky-subtracted counts in R cam -MEDIAN_SKYSUB_SNR_Z,float64,,Median(S/N) of sky-subtracted counts in Z camera,Median(S/N) of sky-subtracted counts in Z cam -MJD,float64,d,Modified Julian Date when shutter was opened for this exposure,Modified Julian Date when shutter open for exp -MJD_BEGIN,float64,d,Start of the allowed observing window for this target (Modified Julian Date),Start of the allowed observing window (MJD) -MJD_END,float64,d,End of the allowed observing window for this target (Modified Julian Date),End of the allowed observing window (MJD) -MORPHTYPE,char[4],,Imaging Surveys morphological type from Tractor,Imaging Survey morphological type from Tractor -MWS_TARGET,int64,,Milky Way Survey targeting bits,Milky Way Survey targeting bits -MW_TRANSMISSION_G,float32,,Milky Way dust transmission in LS g-band,Milky Way dust transmission in LS g-band -MW_TRANSMISSION_R,float32,,Milky Way dust transmission in LS r-band,Milky Way dust transmission in LS r-band -MW_TRANSMISSION_W1,float32,,Milky Way dust transmission in WISE W1,Milky Way dust transmission in WISE W1 -MW_TRANSMISSION_W2,float32,,Milky Way dust transmission in WISE W2,Milky Way dust transmission in WISE W2 -MW_TRANSMISSION_W3,float32,,Milky Way dust transmission in WISE W3,Milky Way dust transmission in WISE W3 -MW_TRANSMISSION_W4,float32,,Milky Way dust transmission in WISE W4,Milky Way dust transmission in WISE W4 -MW_TRANSMISSION_Z,float32,,Milky Way dust transmission in LS z-band,Milky Way dust transmission in LS z-band -NCOEFF,int64,,Number of Redrock template coefficients,Number of Redrock template coefficients -NEAR_RADIUS,float32,arcsec,Radius used to set the ``NEAR_BRIGHT_OBJECT`` bit in the ``DESI_TARGET`` bitmask.,Radius used to set the NEAR_BRIGHT_OBJECT bit -NIGHT,int32,,Night of observation (YYYYMMDD) starting at local noon before observations start,YYYYMMDD date at start of this observing night -NOBS_G,int16,,Number of images for central pixel in g-band,Number of images for central pixel in g-band -NOBS_R,int16,,Number of images for central pixel in r-band,Number of images for central pixel in r-band -NOBS_Z,int16,,Number of images for central pixel in z-band,Number of images for central pixel in z-band -NPIXELS,int64,,Number of unmasked pixels contributing to the Redrock fit,Number of unmasked pixels used in Redrock fit -NTILE,int64,,Number of tiles target was available on,Number of tiles target was available on -NUMOBS,int64,,"Number of spectroscopic observations (on this specific, single tile)",Nb of spectro observations of this given tile -NUMOBS_INIT,int64,,Initial number of observations for target calculated across target selection bitmasks and OBSCONDITIONS,Initial number of observations for target -NUMOBS_MORE,int64,,Number of additional observations needed,Number of additional observations needed -NUMTARGET,int16,,Total number of targets that this positioner covered,Total number of targets covered by positioner -NUM_ITER,int64,,Number of positioner iterations,Number of positioner iterations -NZ,float64,h^3 Mpc^-3,"The comoving number density of the tracer at the given redshift, assuming complete sample",Comoving number density of tracer at given z -O2C,float64,,The criteria for assessing strength of OII emission for ELG observations,Criterion for strength of OII emission for ELG -OBJID,int32,,Imaging Surveys OBJID on that brick (renamed BRICK_OBJID),Imaging Surveys OBJID on brick (BRICK_OBJID) -OBJTYPE,char[3],,"Object type: TGT, SKY, NON, BAD","Object type: TGT, SKY, NON, BAD" -OBSCONDITIONS,int32,,Bitmask of allowed observing conditions,Bitmask of allowed observing conditions -OCLAYER,char[6],,Either 'DARK' for dark-time or 'BRIGHT' to observe in either bright- or dark-time,DARK for dark time or BRIGHT for any time -OIII_CHI2,float32,,Reduced chi2 of the fit for the [OIII] doublet,Reduced chi2 of the fit for the [OIII] doublet -OIII_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the [OIII] doublet,Continuum for [OIII] doublet fit (constant) -OIII_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the [OIII] doublet,Inverse variance of [OIII] doublet continuum -OIII_EW,float32,Angstrom,Fitted rest-frame equivalent width for the [OIII] doublet,[OIII] doublet rest-frame equivalent width -OIII_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the [OIII] doublet,Inverse variance of fitted OIII_EW -OIII_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the [OIII] doublet,Fitted flux for the [OIII] doublet -OIII_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the [OIII] doublet,Inverse variance of fitted [OIII] doublet flux -OIII_NDOF,int32,,Number of degrees of freedom of the fit for the [OIII] doublet,Nb of degrees of freedom of [OIII] doublet fit -OIII_SHARE,float32,,"F1/(F0+F1) for the [OIII] doublet, where F0 and F1 are the individual line fluxes (SHARE value fixed during the fit)","F1/(F0+F1) for [OIII] w/ F0, F1 each line flux" -OIII_SHARE_IVAR,float32,,"Infinite value, as SHARE is fixed during the fit",Infinity because SHARE is fixed during the fit -OIII_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the [OIII] doublet,Fitted [OIII] line width in the observed frame -OIII_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the [OIII] doublet,Inverse variance of OIII_SIGMA (obs frame) -OII_CHI2,float32,,Reduced chi2 of the fit for the [OII] doublet,Reduced chi2 of the fit for the [OII] doublet -OII_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum used for the fitting (fixed value) for the [OII] doublet,Continuum for [OII] doublet fit (constant) -OII_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the continuum for the [OII] doublet,Inverse variance of [OII] doublet continuum -OII_EW,float32,Angstrom,Fitted rest-frame equivalent width for the [OII] doublet,[OII] doublet rest-frame equivalent width -OII_EW_IVAR,float32,Angstrom^-2,Inverse variance of the fitted rest-frame equivalent width for the [OII] doublet,Inverse variance of fitted OII_EW -OII_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the [OII] doublet,Fitted flux for the [OII] doublet -OII_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of the fitted flux for the [OII] doublet,Inverse variance of fitted [OII] doublet flux -OII_NDOF,int32,,Number of degrees of freedom of the fit for the [OII] doublet,Nb of degrees of freedom of [OII] doublet fit -OII_SHARE,float32,,"Fitted F1/(F0+F1) for the [OII] doublet, where F0 and F1 are the individual line fluxes","F1/(F0+F1) for [OII] w/ F0, F1 each line flux" -OII_SHARE_IVAR,float32,,Inverse variance of the fitted F1/(F0+F1) for the [OII] doublet,Inverse variance of OII_SHARE value -OII_SIGMA,float32,Angstrom,Fitted line width (in the observed frame) for the [OII] doublet,Fitted [OII] line width in the observed frame -OII_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of the fitted line width (in the observed frame) for the [OII] doublet,Inverse variance of OII_SIGMA (obs frame) -PARALLAX,float32,mas,Reference catalog parallax,Reference catalog parallax -PARALLAX_IVAR,float32,mas^-2,Inverse variance of PARALLAX,Inverse variance of PARALLAX -PETAL_LOC,int16,,Petal location [0-9],Petal location [0-9] -PHOTSYS,char[1],,"N' for the MzLS/BASS photometric system, 'S' for DECaLS",Photom system: N for MzLS/BASS; S for DECaLS -PLATE_DEC,float64,deg,Barycentric Declination in ICRS to be used by PlateMaker,Barycentric Declination for PlateMaker (ICRS) -PLATE_RA,float64,deg,Barycentric Right Ascension in ICRS to be used by PlateMaker,Barycentric RA for PlateMaker (ICRS) -PLATE_REF_EPOCH,float64,yr,Copy of REF_EPOCH to be used by PlateMaker,Copy of REF_EPOCH for PlateMaker -PMDEC,float32,mas yr^-1,Proper motion in the +Dec direction,Proper motion in the +Dec direction -PMDEC_IVAR,float32,yr^2 mas^-2,Inverse variance of PMDEC,Inverse variance of PMDEC -PMRA,float32,mas yr^-1,proper motion in the +RA direction (already including cos(dec)),"Proper motion in +RA direction, incl. cos(dec)" -PMRA_IVAR,float32,yr^2 mas^-2,Inverse variance of PMRA,Inverse variance of PMRA -PRIORITY,int32,,Target current priority,Target current priority -PRIORITY_INIT,int64,,Target initial priority from target selection bitmasks and OBSCONDITIONS,Target initial priority from target selection -PROBA_RF,float32,,Probability of being a quasar generated by the quasar Random Forest targeting algorithm.,Probability of being a QSO from Random Forest -PROB_OBS,float64,,The number alternative assignment histories that the target was assigned in divided by 128,Probability of assignment in alt histories -PROGRAM,char[6],,"DESI program type - BRIGHT, DARK, BACKUP, OTHER","DESI program type: BRIGHT, DARK, BACKUP, OTHER" -PSFDEPTH_G,float32,nanomaggy^-2,PSF-based depth in g-band,PSF-based depth in g-band -PSFDEPTH_R,float32,nanomaggy^-2,PSF-based depth in r-band,PSF-based depth in r-band -PSFDEPTH_W1,float32,nanomaggy^-2,PSF-based depth in WISE W1,PSF-based depth in WISE W1 -PSFDEPTH_W2,float32,nanomaggy^-2,PSF-based depth in WISE W2,PSF-based depth in WISE W2 -PSFDEPTH_Z,float32,nanomaggy^-2,PSF-based depth in z-band,PSF-based depth in z-band -PSFSIZE_G,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in g-band,Median g-band PSF size of BRICK_PRIMARY objs -PSFSIZE_R,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in r-band,Median r-band PSF size of BRICK_PRIMARY objs -PSFSIZE_Z,float32,arcsec,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in z-band,Median z-band PSF size of BRICK_PRIMARY objs -PSF_TO_FIBER_SPECFLUX,float64,,fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing,PSF light fraction within fiber (given seeing) -RA,float64,deg,Barycentric Right Ascension in ICRS,Barycentric Right Ascension in ICRS -RA_IVAR,float32,deg^-2,"Inverse variance of RA (no cosine term!), excluding astrometric calibration errors",Inv variance of RA; w/o cos(dec) or astrom err -REF_CAT,char[2],,"Reference catalog source for star: 'T2' for Tycho-2, 'G2' for Gaia DR2, 'L2' for the SGA, empty otherwise","Ref catalog (T2=Tycho-2, G2=Gaia DR2, L2=SGA)" -REF_EPOCH,float32,yr,Reference epoch for Gaia/Tycho astrometry. Typically 2015.5 for Gaia,Reference epoch for Gaia/Tycho astrometry -REF_ID,int64,,"Tyc1*1,000,000+Tyc2*10+Tyc3 for Tycho-2; ``sourceid`` for Gaia DR2",Tyc1*1e6+Tyc2*10+Tyc3 (Tycho); sourceid (Gaia) -REF_MAG,float32,mag,"Magnitude used to calculate ``IN_RADIUS``; typically, in order of preference, G-band for Gaia or VT then HP then BT for Tycho.","Mag for IN_RADIUS: G (Gaia); VT,HP,BT (Tycho)" -RELEASE,int16,,Imaging surveys release ID,Imaging surveys release ID -REST_GMR_0P0,float64,,Rest-frame g-r colour at redshift=0.0,Rest-frame g-r colour at redshift=0.0 -REST_GMR_0P1,float64,,Rest-frame g-r colour at redshift=0.1,Rest-frame g-r colour at redshift=0.1 -RMS_DELTA_X,float32,mm,RMS (over exposures) of the fiber difference between measured and requested CS5 X location on focal plane,RMS (over exposures) fiber CS5 X loc on FP -RMS_DELTA_Y,float32,mm,RMS (over exposures) of the fiber difference between measured and requested CS5 Y location on focal plane,RMS (over exposures) fiber CS5 Y loc on FP -ROSETTE_NUMBER,int32,,Rosette number ID [0-19],Rosette number ID [0-19] -ROSETTE_R,float64,deg,Radius from the center of the rosette to the target,Radius from the rosette center to the target -SCND_TARGET,int64,,Target selection bitmask for secondary programs,Target select. bitmask for secondary programs -SCND_ORDER,int32,,Number of row for target entry in secondary file (placeholder; needed by fiberassign),Nb of row for target entry in secondary file -SEEING_ETC,float64,arcsec,Average FWHM atmospheric seeing during this exposure as measured by ETC,Average FWHM atm seeing during exposure (ETC) -SEEING_GFA,float64,arcsec,Average FWHM atmospheric seeing during this exposure as measured by GFA,Average FWHM atm seeing during exposure (GFA) -SERSIC,float32,,Power-law index for the Sersic profile model (MORPHTYPE='SER'),Sersic profile power-law index (MORPHTYPE=SER) -SERSIC_IVAR,float32,,Inverse variance of SERSIC,Inverse variance of SERSIC -SHAPEDEV_E1,float32,,deVaucouleurs shape fit ellipticity parameter e1,deVaucouleurs shape fit ellipticity param e1 -SHAPEDEV_E1_IVAR,float32,,Inverse variance of SHAPEDEV_E1,Inverse variance of SHAPEDEV_E1 -SHAPEDEV_E2,float32,,deVaucouleurs shape fit ellipticity parameter e2,deVaucouleurs shape fit ellipticity param e2 -SHAPEDEV_E2_IVAR,float32,,Inverse variance of SHAPEDEV_E2,Inverse variance of SHAPEDEV_E2 -SHAPEDEV_R,float32,arcsec,deVaucouleurs shape half-light radius,deVaucouleurs shape half-light radius -SHAPEDEV_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPEDEV_R,Inverse variance of SHAPEDEV_R -SHAPEEXP_E1,float32,,Imaging exponential shape fit ellipticity parameter e1,Exponential shape fit ellipticity param e1 -SHAPEEXP_E1_IVAR,float32,,Inverse variance of SHAPEEXP_E1,Inverse variance of SHAPEEXP_E1 -SHAPEEXP_E2,float32,,Imaging exponential shape fit ellipticity parameter e2,Exponential shape fit ellipticity param e2 -SHAPEEXP_E2_IVAR,float32,,Inverse variance of SHAPEEXP_E2,Inverse variance of SHAPEEXP_E2 -SHAPEEXP_R,float32,arcsec,Imaging exponential shape half-light radius,Imaging exponential shape half-light radius -SHAPEEXP_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPEEXP_R,Inverse variance of SHAPEEXP_R -SHAPE_E1,float32,,Ellipticity component 1 of galaxy model for galaxy type MORPHTYPE,Ellipticity param e1 of galaxy model MORPHTYPE -SHAPE_E1_IVAR,float32,,Inverse variance of SHAPE_E1,Inverse variance of SHAPE_E1 -SHAPE_E2,float32,,Ellipticity component 2 of galaxy model for galaxy type MORPHTYPE,Ellipticity param e2 of galaxy model MORPHTYPE -SHAPE_E2_IVAR,float32,,Inverse variance of SHAPE_E2,Inverse variance of SHAPE_E2 -SHAPE_R,float32,arcsec,Half-light radius of galaxy model (>0),Half-light radius of galaxy model (>0) -SHAPE_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPE_R,Inverse variance of SHAPE_R -SIGMA_MGII,float32,Angstrom,Fitted parameter SIGMA (linewidth) by MgII fitter (in angstrom?),Fitted param SIGMA (linewidth) by MgII fitter -SPECTRO,int16,,Spectrograph number [0-9],Spectrograph number [0-9] -SPECTROID,int32,,Hardware ID of spectrograph (not used),Hardware ID of spectrograph (not used) -SPECTYPE,char[6],,"Spectral type of Redrock best fit template (e.g. GALAXY, QSO, STAR)","Best-fit spectral type: GALAXY, QSO, STAR" -SPGRPVAL,int32,,Value by which spectra are grouped for a coadd (e.g. a YEARMMDD night),Value by which spectra are grouped for a coadd -STD_FIBER_DEC,float32,arcsec,Standard deviation (over exposures) of DEC of actual fiber position,Std deviation (over exposures) of fiber DEC -STD_FIBER_RA,float32,arcsec,Standard deviation (over exposures) of RA of actual fiber position,Std deviation (over exposures) of fiber RA -SUBPRIORITY,float64,,Random subpriority [0-1) to break assignment ties,Random subpriority [0-1) to break assign ties -SUBTYPE,char[20],,Spectral subtype,Spectral subtype -SUM_CALIB_COUNT_B,float64,,Sum of calibrated flux in B camera,Sum of calibrated flux in B camera -SUM_CALIB_COUNT_R,float64,,Sum of calibrated flux in R camera,Sum of calibrated flux in R camera -SUM_CALIB_COUNT_Z,float64,,Sum of calibrated flux in Z camera,Sum of calibrated flux in Z camera -SUM_FFLAT_COUNT_B,float64,,Sum of fiber-flatfielded counts B camera,Sum of fiber-flatfielded counts B camera -SUM_FFLAT_COUNT_R,float64,,Sum of fiber-flatfielded counts R camera,Sum of fiber-flatfielded counts R camera -SUM_FFLAT_COUNT_Z,float64,,Sum of fiber-flatfielded counts Z camera,Sum of fiber-flatfielded counts Z camera -SUM_RAW_COUNT_B,float64,,Sum of raw counts in B camera,Sum of raw counts in B camera -SUM_RAW_COUNT_R,float64,,Sum of raw counts in R camera,Sum of raw counts in R camera -SUM_RAW_COUNT_Z,float64,,Sum of raw counts in Z camera,Sum of raw counts in Z camera -SUM_SKYSUB_COUNT_B,float64,,Sum of sky-subtracted counts in B camera,Sum of sky-subtracted counts in B camera -SUM_SKYSUB_COUNT_R,float64,,Sum of sky-subtracted counts in R camera,Sum of sky-subtracted counts in R camera -SUM_SKYSUB_COUNT_Z,float64,,Sum of sky-subtracted counts in Z camera,Sum of sky-subtracted counts in Z camera -SURVEY,char[7],,"Survey name: cmx, sv1, sv2, sv3, main",Survey name -SV1_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV1,BGS (bright time) target sel bitmask for SV1 -SV1_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV1,DESI (dark time) target sel bitmask for SV1 -SV1_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV1,MWS (bright time) target sel bitmask for SV1 -SV1_SCND_TARGET,int64,,Secondary target selection bitmask for SV1,Secondary target selection bitmask for SV1 -SV2_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV2,BGS (bright time) target sel bitmask for SV2 -SV2_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV2,DESI (dark time) target sel bitmask for SV2 -SV2_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV2,MWS (bright time) target sel bitmask for SV2 -SV2_SCND_TARGET,int64,,Secondary target selection bitmask for SV2,Secondary target selection bitmask for SV2 -SV3_BGS_TARGET,int64,,BGS (bright time program) target selection bitmask for SV3,BGS (bright time) target sel bitmask for SV3 -SV3_DESI_TARGET,int64,,DESI (dark time program) target selection bitmask for SV3,DESI (dark time) target sel bitmask for SV3 -SV3_MWS_TARGET,int64,,MWS (bright time program) target selection bitmask for SV3,MWS (bright time) target sel bitmask for SV3 -SV3_SCND_TARGET,int64,,Secondary target selection bitmask for SV3,Secondary target selection bitmask for SV3 -SV_NSPEC,int32,,Number of coadded spectra for this TARGETID in SV (SV1+2+3),Number of coadded spectra in SV (SV1+2+3) -SV_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in SV (SV1+2+3),True if primary coadded spectrum in SV(1+2+3) -TARGETID,int64,,Unique DESI target ID,Unique DESI target ID -TARGET_DEC,float64,deg,Barycentric declination in ICRS,Barycentric declination in ICRS -TARGET_RA,float64,deg,Barycentric right ascension in ICRS,Barycentric right ascension in ICRS -TARGET_STATE,char[*],,Combination of target class and its current observational state,Combination of target class+current obs state -TILEDEC,float64,deg,Barycentric declination of tile center in ICRS,Barycentric declination of tile center in ICRS -TILEID,int32,,Unique DESI tile ID,Unique DESI tile ID -TILELOCID,int64,,Is 10000*TILEID+LOCATION,Is 10000*TILEID+LOCATION -TILELOCIDS,char[*],,"TILELOCIDs that the target was available for, separated by '-'",Available TILELOCIDs for a target joint by '-' -TILELOCID_ASSIGNED,int64,,0/1 for unassigned/assigned for TILELOCID in question (it could have been assigned to a different target),1 if the TILELOCID is assigned (0=unassigned) -TILERA,float64,deg,Barycentric Right Ascension of tile center in ICRS,Barycentric R.A. of tile center in ICRS -TILES,char[*],,"TILEIDs of those tile, in string form separated by '-'",Available TILEIDs for a target joined by '-' -TIMESTAMP,str,s,UTC/ISO time at which the target state was updated,UTC/ISO time when the target state was updated -TOOID,int64,,ID for this target assigned by the ``CHECKER``,ID for this target assigned by the CHECKER -TOO_PRIO,char[2],,Either 'HI' for a very-high-priority target or 'LO' for a very-low-priority target,High-priority (HI) or low-priority (LO) target -TOO_TYPE,char[5],,Either 'TILE' for a special tile or 'FIBER' for a fiber-override ToO,Type: TILE=special tile; FIBER=fiber-override -TSNR2_BGS,float32,,"BGS template (S/N)^2 summed over B,R,Z","BGS template (S/N)^2 summed over B,R,Z" -TSNR2_BGS_B,float32,,BGS B template (S/N)^2,BGS B template (S/N)^2 -TSNR2_BGS_R,float32,,BGS R template (S/N)^2,BGS R template (S/N)^2 -TSNR2_BGS_Z,float32,,BGS Z template (S/N)^2,BGS Z template (S/N)^2 -TSNR2_ELG,float32,,"ELG template (S/N)^2 summed over B,R,Z","ELG template (S/N)^2 summed over B,R,Z" -TSNR2_ELG_B,float32,,ELG B template (S/N)^2,ELG B template (S/N)^2 -TSNR2_ELG_R,float32,,ELG R template (S/N)^2,ELG R template (S/N)^2 -TSNR2_ELG_Z,float32,,ELG Z template (S/N)^2,ELG Z template (S/N)^2 -TSNR2_GPBBACKUP,float64,,template (S/N)^2 for backup targets in guider pass band,Template (S/N)^2 for backup targets in BPB -TSNR2_GPBBACKUP_B,float64,,template (S/N)^2 for backup targets in guider pass band on B,Template (S/N)^2 for backup targets in GPB (B) -TSNR2_GPBBACKUP_R,float64,,template (S/N)^2 for backup targets in guider pass band on R,Template (S/N)^2 for backup targets in GPB (R) -TSNR2_GPBBACKUP_Z,float64,,template (S/N)^2 for backup targets in guider pass band on Z,Template (S/N)^2 for backup targets in GPB (Z) -TSNR2_GPBBRIGHT,float64,,template (S/N)^2 for bright targets in guider pass band,Template (S/N)^2 for bright targets in BPB -TSNR2_GPBBRIGHT_B,float64,,template (S/N)^2 for bright targets in guider pass band on B,Template (S/N)^2 for bright targets in BPB (B) -TSNR2_GPBBRIGHT_R,float64,,template (S/N)^2 for bright targets in guider pass band on R,Template (S/N)^2 for bright targets in BPB (R) -TSNR2_GPBBRIGHT_Z,float64,,template (S/N)^2 for bright targets in guider pass band on Z,Template (S/N)^2 for bright targets in BPB (Z) -TSNR2_GPBDARK,float64,,template (S/N)^2 for dark targets in guider pass band,Template (S/N)^2 for dark targets in BPB -TSNR2_GPBDARK_B,float64,,template (S/N)^2 for dark targets in guider pass band on B,Template (S/N)^2 for dark targets in BPB (B) -TSNR2_GPBDARK_R,float64,,template (S/N)^2 for dark targets in guider pass band on R,Template (S/N)^2 for dark targets in BPB (R) -TSNR2_GPBDARK_Z,float64,,template (S/N)^2 for dark targets in guider pass band on Z,Template (S/N)^2 for dark targets in BPB (Z) -TSNR2_LRG,float32,,"LRG template (S/N)^2 summed over B,R,Z","LRG template (S/N)^2 summed over B,R,Z" -TSNR2_LRG_B,float32,,LRG B template (S/N)^2,LRG B template (S/N)^2 -TSNR2_LRG_R,float32,,LRG R template (S/N)^2,LRG R template (S/N)^2 -TSNR2_LRG_Z,float32,,LRG Z template (S/N)^2,LRG Z template (S/N)^2 -TSNR2_LYA,float32,,"LYA template (S/N)^2 summed over B,R,Z","LYA template (S/N)^2 summed over B,R,Z" -TSNR2_LYA_B,float32,,LYA B template (S/N)^2,LYA B template (S/N)^2 -TSNR2_LYA_R,float32,,LYA R template (S/N)^2,LYA R template (S/N)^2 -TSNR2_LYA_Z,float32,,LYA Z template (S/N)^2,LYA Z template (S/N)^2 -TSNR2_QSO,float32,,"QSO template (S/N)^2 summed over B,R,Z","QSO template (S/N)^2 summed over B,R,Z" -TSNR2_QSO_B,float32,,QSO B template (S/N)^2,QSO B template (S/N)^2 -TSNR2_QSO_R,float32,,QSO R template (S/N)^2,QSO R template (S/N)^2 -TSNR2_QSO_Z,float32,,QSO Z template (S/N)^2,QSO Z template (S/N)^2 -TYPE,char[4],,Morphological Model type from Tractor; renamed MORPHTYPE in most files,Tractor morphological model type (MORPHTYPE) -URAT_ID,int64,,ID in the URAT catalog for sources where URAT supplemented missing Gaia astrometric information,ID in URAT catalog if applicable (ex: no Gaia) -URAT_SEP,float32,arcsec,Separation between URAT and Gaia sources where URAT supplemented missing Gaia astrometric information,"Separation b/w URAT and Gaia sources, if appl." -VAR_A_MGII,float32,,Variance of MgII fit amplitude parameter A,Variance of MgII fit amplitude parameter A -VAR_B_MGII,float32,,Variance of MgII fit offset parameter B,Variance of MgII fit offset parameter B -VAR_SIGMA_MGII,float32,,Variance of MgII fit width parameter sigma,Variance of MgII fit width parameter sigma -VERSION,char[14],,Tag of desitarget used to create the target catalog,Tag of desitarget used to make target catalog -WEIGHT,float64,,The combination of all weights to use,The combination of all weights to use -WEIGHT_COMP,float64,,1/FRACZ_TILELOCID,1/FRACZ_TILELOCID -WEIGHT_FKP,float64,,"1/(1+NZ*P0), with P0 different for each tracer","1/(1+NZ*P0), with P0 different for each tracer" -WEIGHT_SYS,float64,,"Correction for fluctuations in projected density with imaging conditions, from random forrest method",Correction for imaging conditions; RF method -WEIGHT_SYSEB,float64,,"Correction for fluctuations in projected density with imaging conditions, from linear regression method applied to eBOSS",Corr for imaging conditions; eBOSS lin regress -WEIGHT_ZFAIL,float64,,Should be all 1 at this point for main survey,Should be all 1 at this point for main survey -WISEMASK_W1,byte,,Bitwise mask for WISE W1 data,Bitwise mask for WISE W1 data -WISEMASK_W2,byte,,Bitwise mask for WISE W2 data,Bitwise mask for WISE W2 data -Z,float64,,Redshift measured by Redrock,Redshift measured by Redrock -ZCAT_NSPEC,int32,,Number of times this TARGETID appears in this catalog,Nb of coadded spectra for TARGETID in catalog -ZCAT_PRIMARY,bool,,Boolean flag (True/False) for the primary coadded spectrum in this zcatalog,True if primary coadded spectrum in catalog -ZERR,float64,,Redshift error from redrock,Redshift error from redrock -ZPOSSLOC,bool,,True/False whether the location could have been assigned to the given target class,Whether location is possible for target class -ZTILEID,int32,,ID of tile that most recently updated target's state,ID of latest tile that updated target state -ZWARN,int64,,Redshift warning bitmask from Redrock,Redshift warning bitmask from Redrock -ZWARN_MTL,int64,,The ZWARN from the zmtl file (contains extra bits),ZWARN from the zmtl file (contains extra bits) -Z_CIII,float64,,Redshift estimated by QuasarNET with CIII line,Redshift estimated by QuasarNET with CIII line -Z_CIV,float64,,Redshift estimated by QuasarNET with CIV line,Redshift estimated by QuasarNET with CIV line -Z_Halpha,float64,,Redshift estimated by QuasarNET with Halpha line,Redshift estimated by QuasarNET w\ Halpha line -Z_Hbeta,float64,,Redshift estimated by QuasarNET with Hbeta line,Redshift estimated by QuasarNET w\ Hbeta line -Z_HP,float64,,Redshift from Healpix coadd,Redshift from Healpix coadd -Z_LYA,float64,,Redshift estimated by QuasarNET with LyA line,Redshift estimated by QuasarNET with LyA line -Z_MgII,float64,,Redshift estimated by QuasarNET with MgII line,Redshift estimated by QuasarNET with MgII line -Z_QN,float64,,Redshift measured by QuasarNET using line with highest confidence,Redshift by QuasarNET; highest confidence line -Z_QN_CONF,float64,,Redshift confidence from QuasarNET,Redshift confidence from QuasarNET -Z_RR,float64,,Redshift collected from redrock file,Redshift collected from redrock file \ No newline at end of file +Name,Type,Units,Description,FullDescription +ABSMAG_R,float64,,Absolute r-band magnitude after k-correction,Absolute magnitude in the r-band after k-correction +AIRMASS,float32,,Average airmass during this exposure,Average airmass during this exposure +AIRMASS_GFA,float64,,Average airmass during this exposure from GFA,Average airmass during this exposure as measured by GFA +APFLUX_G,float32,nanomaggy,Total g-band flux within a 0.75 arcsec radius,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the g band at this location +APFLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of APFLUX_G,Inverse variance of APFLUX_G +APFLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of APFLUX_R,Inverse variance of APFLUX_R +APFLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of APFLUX_Z,Inverse variance of APFLUX_Z +APFLUX_R,float32,nanomaggy,Total r-band flux within a 0.75 arcsec radius,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the r band at this location +APFLUX_Z,float32,nanomaggy,Total z-band flux within a 0.75 arcsec radius,Total flux in nanomaggies extracted in a 0.75 arcsec radius in the z band at this location +A_MGII,float32,,Fitted parameter A (amplitude) by MgII fitter,Fitted parameter A (amplitude) by MgII fitter +BGS_TARGET,int64,,BGS (Bright Galaxy Survey) target sel bitmask,BGS (Bright Galaxy Survey) target selection bitmask +BITWEIGHTS,int64[2],,Bitmask pair for alternative target assignment,A size of two 64 bit masks that encodes which of the alternative assignment histories that the target was assigned in +BLOBDIST,float32,pix,Max distance from a detected LS source,Maximum distance from a detected Legacy Surveys source +BRICKID,int32,,Brick ID from tractor input,Brick ID from tractor input +BRICKNAME,char[8],,Brick name from tractor input,Brick name from tractor input +BRICK_OBJID,int32,,Imaging Surveys OBJID on that brick,Imaging Surveys OBJID on that brick +B_MGII,float32,,Fitted parameter B (constant) by MgII fitter,Fitted parameter B (constant) by MgII fitter +CAMERA,char[2],,Camera identifier [brz][0-9],Camera identifier. Passband and SPECGRPH ([brz][0-9]). +CHECKER,char[5],,Initials of researcher who vetted the target,Initials of researcher who vetted the target +CHI2,float64,,Best fit chi squared,Best fit chi squared +CMX_TARGET,int64,,Target selection bitmask for commissioning,Target selection bitmask for commissioning +COADD_EXPTIME,float32,s,Summed exposure time for coadd,Summed exposure time for coadd +COADD_FIBERSTATUS,int32,,bitwise-AND of input FIBERSTATUS,bitwise-AND of input FIBERSTATUS +COADD_NUMEXP,int16,,Number of exposures in coadd,Number of exposures in coadd +COADD_NUMNIGHT,int16,,Number of nights in coadd,Number of nights in coadd +COADD_NUMTILE,int16,,Number of tiles in coadd,Number of tiles in coadd +COEFF,float64[10],,Redrock template coefficients,Redrock template coefficients +COMP_TILE,float64,,Assignment completeness given the target class,Assignment completeness for all targets of this type with the same value for TILES +C_CIII,float32,,Confidence for CIII line,Confidence for CIII line +C_CIV,float32,,Confidence for CIV line,Confidence for CIV line +C_Halpha,float32,,Confidence for Halpha line,Confidence for Halpha line +C_Hbeta,float32,,Confidence for Hbeta line,Confidence for Hbeta line +C_LYA,float32,,Confidence that LyA line (probability for QSO),"Confidence for LyA line, i.e. ~probability to be a QSO" +C_MgII,float32,,Confidence for MgII line,Confidence for MgII line +DCHISQ,float32[5],,Difference in chi-squared between Tractor fits,Difference in chi-squared between Tractor model fits +DEC,float64,deg,Barycentric declination in ICRS,Barycentric declination in ICRS +DEC_IVAR,float32,deg^-2,"Inverse variance of DEC, excl astrom calib err","Inverse variance of DEC, excluding astrometric calibration errors" +DELTACHI2,float64,,chi2 diff b/w 1st and 2nd-best Redrock fits,chi2 difference between first- and second-best redrock template fits +DELTA_CHI2,float32,,chi2 diff b/w Redrock fit and MgII fitter,Difference of chi2 between redrock fit and MgII fitter over the lambda interval considered during the fit +DELTA_X,float64,mm,CS5 X requested minus actual position,CS5 X requested minus actual position +DELTA_Y,float64,mm,CS5 Y requested minus actual position,CS5 Y requested minus actual position +DESI_TARGET,int64,,DESI (dark program) target selection bitmask,DESI (dark time program) target selection bitmask +DESINAME,char[22],,"Name with truncated decimal TARGET_{RA,DEC}","Human readable identifier of a sky location DESI JXXX.XXXX[+/-]YY.YYYY, where X,Y=truncated decimal TARGET_RA, TARGET_DEC, precise to 0.36 arcsec. Multiple objects can map to a single DESINAME if very close on the sky." +DEVICE_LOC,int32,,Device location on focal plane [0-523],Device location on focal plane [0-523] +DEVICE_TYPE,char[3],,Device type,Device type +EBV,float32,mag,Galactic extinction E(B-V) from SFD98,Galactic extinction E(B-V) reddening from SFD98 +EFFTIME_ETC,float64,s,Effective exp time (nominal conditions; ETC),Effective exposure time for nominal conditions inferred from ETC data +EFFTIME_SPEC,float64,s,Effective exp time (nominal conditions; TSNR2),Effective exposure time for nominal conditions derived from the TSNR2 fits to the spectroscopy +EQ_ALL_0P0,float64,,e-correction at redshift=0.0,e-correction at redshift=0.0 +EQ_ALL_0P1,float64,,e-correction at redshift=0.1,e-correction at redshift=0.1 +EXPID,int32,,DESI Exposure ID number,DESI Exposure ID number +EXPTIME,float64,s,Length of time shutter was open,Length of time shutter was open +FAFLAVOR,char[*],,Fiberassign flavor name,Fiberassign flavor name +FAPRGRM,char[*],,Fiberassign program name,Fiberassign program name +FA_TARGET,int64,,Internal targeting bit for fiberassign,Targeting bit internally used by fiberassign (linked with FA_TYPE) +FA_TYPE,binary,,Internal target type for fiberassign,"Fiberassign internal target type (science, standard, sky, safe, suppsky)" +FIBER,int32,,Fiber ID on the CCDs [0-4999],Fiber ID on the CCDs [0-4999] +FIBERASSIGN_X,float32,mm,Fiberassign expected CS5 X loc on focal plane,Fiberassign expected CS5 X location on focal plane +FIBERASSIGN_Y,float32,mm,Fiberassign expected CS5 Y loc on focal plane,Fiberassign expected CS5 Y location on focal plane +FIBERFLUX_G,float32,nanomaggy,Predicted object g flux within diam 1.5 arcsec,Predicted g-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing +FIBERFLUX_R,float32,nanomaggy,Predicted object r flux within diam 1.5 arcsec,Predicted r-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing +FIBERFLUX_Z,float32,nanomaggy,Predicted object z flux within diam 1.5 arcsec,Predicted z-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing +FIBERFLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of FIBERFLUX_G,Inverse variance of ``FIBERFLUX_G`` +FIBERFLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of FIBERFLUX_R,Inverse variance of ``FIBERFLUX_R`` +FIBERFLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of FIBERFLUX_Z,Inverse variance of ``FIBERFLUX_Z`` +FIBERSTATUS,int32,,Fiber status mask. 0=good,Fiber status mask. 0=good +FIBERTOTFLUX_G,float32,nanomaggy,Predicted total g flux within diam 1.5 arcsec,Predicted g-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing +FIBERTOTFLUX_R,float32,nanomaggy,Predicted total r flux within diam 1.5 arcsec,Predicted r-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing +FIBERTOTFLUX_W1,float32,nanomaggy,Predicted total W1 flux within diam 1.5 arcsec,Predicted WISE W1-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing +FIBERTOTFLUX_W2,float32,nanomaggy,Predicted total W2 flux within diam 1.5 arcsec,Predicted WISE W2-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing +FIBERTOTFLUX_Z,float32,nanomaggy,Predicted total z flux within diam 1.5 arcsec,Predicted z-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing +FIBER_DEC,float64,deg,DEC of actual fiber position,DEC of actual fiber position +FIBER_RA,float64,deg,RA of actual fiber position,RA of actual fiber position +FIBER_X,float64,mm,CS5 X location requested by PlateMaker,CS5 X location requested by PlateMaker +FIBER_Y,float64,mm,CS5 Y location requested by PlateMaker,CS5 Y location requested by PlateMaker +FLUX_G,float32,nanomaggy,Flux in the Legacy Survey g-band (AB),Flux in the Legacy Survey g-band (AB) +FLUX_G_DERED,float32,nanomaggy,FLUX_G corrected for Galactic extinction (AB),Flux in the g-band after correcting for Galactic extinction (AB system) +FLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of FLUX_G (AB),Inverse variance of FLUX_G (AB) +FLUX_IVAR_R,float32,nanomaggy^-2,Inverse variance of FLUX_R (AB),Inverse variance of FLUX_R (AB) +FLUX_IVAR_W1,float32,nanomaggy^-2,Inverse variance of FLUX_W1 (AB),Inverse variance of FLUX_W1 (AB) +FLUX_IVAR_W2,float32,nanomaggy^-2,Inverse variance of FLUX_W2 (AB),Inverse variance of FLUX_W2 (AB) +FLUX_IVAR_Z,float32,nanomaggy^-2,Inverse variance of FLUX_Z (AB),Inverse variance of FLUX_Z (AB) +FLUX_R,float32,nanomaggy,Flux in the Legacy Survey r-band (AB),Flux in the Legacy Survey r-band (AB) +FLUX_R_DERED,float32,nanomaggy,FLUX_R corrected for Galactic extinction (AB),Flux in the r-band after correcting for Galactic extinction (AB system) +FLUX_W1,float32,nanomaggy,WISE flux in W1 (AB),WISE flux in W1 (AB) +FLUX_W1_DERED,float32,nanomaggy,FLUX_W1 corrected for Galactic extinction (AB),Flux in the WISE W1-band after correcting for Galactic extinction (AB system) +FLUX_W2,float32,nanomaggy,WISE flux in W2 (AB),WISE flux in W2 (AB) +FLUX_W2_DERED,float32,nanomaggy,FLUX_W2 corrected for Galactic extinction (AB),Flux in the WISE W2-band after correcting for Galactic extinction (AB system) +FLUX_Z,float32,nanomaggy,Flux in the Legacy Survey z-band (AB),Flux in the Legacy Survey z-band (AB) +FLUX_Z_DERED,float32,nanomaggy,FLUX_Z corrected for Galactic extinction (AB),Flux in the z-band after correcting for Galactic extinction (AB system) +FRACZ_TILELOCID,float64,,Frac of targets obs at TILELOCID given class,The fraction of targets of this type at this TILELOCID that received an observation (after forcing each target to a unique TILELOCID) +GAIA_ASTROMETRIC_EXCESS_NOISE,float32,,Gaia astrometric excess noise,Gaia astrometric excess noise +GAIA_ASTROMETRIC_PARAMS_SOLVED,int64,,Astrometric params estimated for a Gaia source,which astrometric parameters were estimated for a Gaia source +GAIA_ASTROMETRIC_SIGMA5D_MAX,float32,mas,Gaia semi-major axis of 5-d error ellipsoid,Gaia longest semi-major axis of the 5-d error ellipsoid +GAIA_DEC,float64,deg,Gaia ICRS declination,Gaia ICRS declination +GAIA_DUPLICATED_SOURCE,bool,,Gaia duplicated source flag,Gaia duplicated source flag +GAIA_PHOT_BP_MEAN_FLUX_OVER_ERROR,float32,,Gaia BP band signal-to-noise,Gaia BP band signal-to-noise +GAIA_PHOT_BP_MEAN_MAG,float32,mag,Gaia BP band magnitude,Gaia BP band magnitude +GAIA_PHOT_BP_N_OBS,int32,,Gaia BP band number of observations,Gaia BP band number of observations +GAIA_PHOT_BP_RP_EXCESS_FACTOR,float32,,Gaia BP/RP excess factor,Gaia BP/RP excess factor +GAIA_PHOT_G_MEAN_FLUX_OVER_ERROR,float32,,Gaia G band signal-to-noise,Gaia G band signal-to-noise +GAIA_PHOT_G_MEAN_MAG,float32,mag,Gaia G band magnitude,Gaia G band magnitude +GAIA_PHOT_G_N_OBS,int32,,Gaia G band number of observations,Gaia G band number of observations +GAIA_PHOT_RP_MEAN_FLUX_OVER_ERROR,float32,,Gaia RP band signal-to-noise,Gaia RP band signal-to-noise +GAIA_PHOT_RP_MEAN_MAG,float32,mag,Gaia RP band magnitude,Gaia RP band magnitude +GAIA_PHOT_RP_N_OBS,int32,,Gaia RP band number of observations,Gaia RP band number of observations +GAIA_RA,float64,deg,Gaia ICRS right ascension,Gaia ICRS right ascension +GALDEPTH_G,float32,nanomaggy^-2,Galaxy model-based depth in LS g-band,Galaxy model-based depth in LS g-band +GALDEPTH_R,float32,nanomaggy^-2,Galaxy model-based depth in LS r-band,Galaxy model-based depth in LS r-band +GALDEPTH_Z,float32,nanomaggy^-2,Galaxy model-based depth in LS z-band,Galaxy model-based depth in LS z-band +GOODHARDLOC,bool,,True/False whether the fiber had good hardware,True/False whether the fiber had good hardware +GOODPRI,bool,,True if assigned priority <= base priority,True/False whether the priority of what was assigned to the location was <= the base priority of the given target class +GOODTSNR,bool,,True if TSNR_ above minimum threshold,True/False whether the TSNR_ value used was above the minimum threshold for the given target class +HALPHA_CHI2,float32,,Reduced chi2 of the fit for the HALPHA line,Reduced chi2 of the fit for the HALPHA line +HALPHA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum for HALPHA line fitting (constant),Continuum used for the fitting (fixed value) for the HALPHA line +HALPHA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of HALPHA line continuum,Inverse variance of the continuum for the HALPHA line +HALPHA_EW,float32,Angstrom,Fitted HALPHA line rest-frame equivalent width,Fitted rest-frame equivalent width for the HALPHA line +HALPHA_EW_IVAR,float32,Angstrom^-2,Inverse variance of fitted HALPHA_EW,Inverse variance of the fitted rest-frame equivalent width for the HALPHA line +HALPHA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HALPHA line,Fitted flux for the HALPHA line +HALPHA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of fitted HALPHA line flux,Inverse variance of the fitted flux for the HALPHA line +HALPHA_NDOF,int32,,Number of deg of freedom for HALPHA line fit,Number of degrees of freedom of the fit for the HALPHA line +HALPHA_SHARE,float32,,NaN (SHARE not relevant for HALPHA line),NaN (SHARE not relevant for HALPHA line) +HALPHA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HALPHA line),NaN (SHARE not relevant for HALPHA line) +HALPHA_SIGMA,float32,Angstrom,Fitted HALPHA line width in the observed frame,Fitted line width (in the observed frame) for the HALPHA line +HALPHA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of HALPHA_SIGMA (obs frame),Inverse variance of the fitted line width (in the observed frame) for the HALPHA line +HBETA_CHI2,float32,,Reduced chi2 of the fit for the HBETA line,Reduced chi2 of the fit for the HBETA line +HBETA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum for HBETA line fitting (constant),Continuum used for the fitting (fixed value) for the HBETA line +HBETA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of HBETA line continuum,Inverse variance of the continuum for the HBETA line +HBETA_EW,float32,Angstrom,Fitted HBETA line rest-frame equivalent width,Fitted rest-frame equivalent width for the HBETA line +HBETA_EW_IVAR,float32,Angstrom^-2,Inverse variance of HBETA_EW (rest frame),Inverse variance of the fitted rest-frame equivalent width for the HBETA line +HBETA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HBETA line,Fitted flux for the HBETA line +HBETA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of fitted HBETA line flux,Inverse variance of the fitted flux for the HBETA line +HBETA_NDOF,int32,,Number of deg of freedom for HBETA line fit,Number of degrees of freedom of the fit for the HBETA line +HBETA_SHARE,float32,,NaN (SHARE not relevant for HBETA line),NaN (SHARE not relevant for HBETA line) +HBETA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HBETA line),NaN (SHARE not relevant for HBETA line) +HBETA_SIGMA,float32,Angstrom,Fitted HBETA line width in the observed frame,Fitted line width (in the observed frame) for the HBETA line +HBETA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of HBETA_SIGMA (obs frame),Inverse variance of the fitted line width (in the observed frame) for the HBETA line +HDELTA_CHI2,float32,,Reduced chi2 of the fit for the HDELTA line,Reduced chi2 of the fit for the HDELTA line +HDELTA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum for HDELTA line fitting (constant),Continuum used for the fitting (fixed value) for the HDELTA line +HDELTA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the HDELTA line continuum,Inverse variance of the continuum for the HDELTA line +HDELTA_EW,float32,Angstrom,Fitted HDELTA line rest-frame equivalent width,Fitted rest-frame equivalent width for the HDELTA line +HDELTA_EW_IVAR,float32,Angstrom^-2,Inverse variance of HDELTA_EW (rest frame),Inverse variance of the fitted rest-frame equivalent width for the HDELTA line +HDELTA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HDELTA line,Fitted flux for the HDELTA line +HDELTA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of fitted HDELTA line flux,Inverse variance of the fitted flux for the HDELTA line +HDELTA_NDOF,int32,,Number of deg of freedom of HDELTA line fit,Number of degrees of freedom of the fit for the HDELTA line +HDELTA_SHARE,float32,,NaN (SHARE not relevant for HDELTA line),NaN (SHARE not relevant for HDELTA line) +HDELTA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HDELTA line),NaN (SHARE not relevant for HDELTA line) +HDELTA_SIGMA,float32,Angstrom,Fitted HDELTA line width in the observed frame,Fitted line width (in the observed frame) for the HDELTA line +HDELTA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of HDELTA_SIGMA (obs frame),Inverse variance of the fitted line width (in the observed frame) for the HDELTA line +HEALPIX,int32,,HEALPixel at this location (NSIDE=64; NESTED),HEALPixel containing this location at NSIDE=64 in the NESTED scheme +HGAMMA_CHI2,float32,,Reduced chi2 of the fit for the HGAMMA line,Reduced chi2 of the fit for the HGAMMA line +HGAMMA_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum for HGAMMA line fitting (constant),Continuum used for the fitting (fixed value) for the HGAMMA line +HGAMMA_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of the HGAMMA line continuum,Inverse variance of the continuum for the HGAMMA line +HGAMMA_EW,float32,Angstrom,Fitted HGAMMA line rest-frame equivalent width,Fitted rest-frame equivalent width for the HGAMMA line +HGAMMA_EW_IVAR,float32,Angstrom^-2,Inverse variance of HGAMMA_EW (rest frame),Inverse variance of the fitted rest-frame equivalent width for the HGAMMA line +HGAMMA_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the HGAMMA line,Fitted flux for the HGAMMA line +HGAMMA_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of fitted HGAMMA line flux,Inverse variance of the fitted flux for the HGAMMA line +HGAMMA_NDOF,int32,,Number of deg of freedom of HGAMMA line fit,Number of degrees of freedom of the fit for the HGAMMA line +HGAMMA_SHARE,float32,,NaN (SHARE not relevant for HGAMMA line),NaN (SHARE not relevant for HGAMMA line) +HGAMMA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HGAMMA line),NaN (SHARE not relevant for HGAMMA line) +HGAMMA_SIGMA,float32,Angstrom,Fitted HGAMMA line width in the observed frame,Fitted line width (in the observed frame) for the HGAMMA line +HGAMMA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of HGAMMA_SIGMA (obs frame),Inverse variance of the fitted line width (in the observed frame) for the HGAMMA line +HPXPIXEL,int64,,HEALPixel at this location (NSIDE=64; NESTED),HEALPixel containing this location at NSIDE=64 in the NESTED scheme +IN_DESI,int16,,Used by fiberassign to create tile; set to 1,Used by fiberassign to make a tile in the DESI footprint; always set to 1 +IN_RADIUS,float32,arcsec,Radius used to set the IN_BRIGHT_OBJECT bit,Radius used to set the ``IN_BRIGHT_OBJECT`` bit in the ``DESI_TARGET`` bitmask. +IS_QSO_MGII,bool,,True if the object passes the MgII selection,Boolean: True if the object passes the MgII selection +IS_QSO_QN,int16,,True if the object passes QuasarNET selection,Spectroscopic classification from QuasarNET (1 for a quasar) +KCORR_G0P0,float64,,g-band k-correction at redshift=0.0,g-band k-correction at redshift=0.0 +KCORR_G0P1,float64,,g-band k-correction at redshift=0.1,g-band k-correction at redshift=0.1 +KCORR_R0P0,float64,,r-band k-correction at redshift=0.0,r-band k-correction at redshift=0.0 +KCORR_R0P1,float64,,r-band k-correction at redshift=0.1,r-band k-correction at redshift=0.1 +LAMBDA_REF,float32,Angstrom,Requested central wavelength for fiber,Requested wavelength at which targets should be centered on fibers +LASTNIGHT,int32,,Final night of observation in series of coadds,Final night of observation included in a series of coadds +LC_FLUX_IVAR_W1,float32[15],nanomaggy^-2,Inverse variance of LC_FLUX_W1 (AB; 0 if N/A),Inverse variance of LC_FLUX_W1 (AB system; defaults to zero for unused entries) +LC_FLUX_IVAR_W2,float32[15],nanomaggy^-2,Inverse variance of LC_FLUX_W2 (AB; 0 if N/A),Inverse variance of LC_FLUX_W2 (AB system; defaults to zero for unused entries) +LC_FLUX_W1,float32[15],nanomaggy,AB FLUX_W1 in up to 15 coadd epochs (0 if N/A),FLUX_W1 in each of up to fifteen unWISE coadd epochs (AB system; defaults to zero for unused entries) +LC_FLUX_W2,float32[15],nanomaggy,AB FLUX_W2 in up to 15 coadd epochs (0 if N/A),FLUX_W2 in each of up to fifteen unWISE coadd epochs (AB system; defaults to zero for unused entries) +LC_MJD_W1,float64[15],,MJD_W1 in up to 15 coadd epochs (0 if N/A),MJD_W1 in each of up to fifteen unWISE coadd epochs (defaults to zero for unused entries) +LC_MJD_W2,float64[15],,MJD_W2 in up to 15 coadd epochs (0 if N/A),MJD_W2 in each of up to fifteen unWISE coadd epochs (defaults to zero for unused entries) +LC_NOBS_W1,int16[15],,NOBS_W1 in up to 15 unWISE coadd epochs,NOBS_W1 in each of up to fifteen unWISE coadd epochs +LC_NOBS_W2,int16[15],,NOBS_W2 in up to 15 unWISE coadd epochs,NOBS_W2 in each of up to fifteen unWISE coadd epochs +LOCATION,int64,,Loc on focal plane PETAL_LOC*1000 + DEVICE_LOC,Location on the focal plane PETAL_LOC*1000 + DEVICE_LOC +LOCATION_ASSIGNED,bool,,True if assigned for the target in question,True/False for assigned/unassigned for the target in question +LRG_MASK,binary,,Imaging mask bits relevant to LRG targets,Imaging mask bits relevant to LRG targets +MAIN_NSPEC,int32,,Nb of coadded spectra in Main survey for TID,Number of coadded spectra for this TARGETID in Main survey +MAIN_PRIMARY,bool,,True if primary coadd spectrum in Main survey,Boolean flag (True/False) for the primary coadded spectrum in Main survey +MASKBITS,int16,,Bitwise mask from imaging for potential issues,Bitwise mask from the imaging indicating potential issue or blending +MEAN_DELTA_X,float32,mm,Mean fiber diff (requested - actual CS5 X loc),Mean (over exposures) fiber difference requested - actual CS5 X location on focal plane +MEAN_DELTA_Y,float32,mm,Mean fiber diff (requested - actual CS5 Y loc),Mean (over exposures) fiber difference requested - actual CS5 Y location on focal plane +MEAN_FIBER_DEC,float64,deg,Mean (over exposures) DEC of fiber position,Mean (over exposures) DEC of actual fiber position +MEAN_FIBER_RA,float64,deg,Mean (over exposures) RA of fiber position,Mean (over exposures) RA of actual fiber position +MEAN_FIBER_X,float32,mm,Mean (over exposures) fiber CS5 X loc on FP,Mean (over exposures) fiber CS5 X location on focal plane +MEAN_FIBER_Y,float32,mm,Mean (over exposures) fiber CS5 Y loc on FP,Mean (over exposures) fiber CS5 Y location on focal plane +MEAN_PSF_TO_FIBER_SPECFLUX,float32,,Mean PSF light fraction within 1.5arcsec fiber,Mean of input exposures fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing +MEDIAN_CALIB_COUNT_B,float64,,Median of calibrated flux in B camera,Median of calibrated flux in B camera +MEDIAN_CALIB_COUNT_R,float64,,Median of calibrated flux in R camera,Median of calibrated flux in R camera +MEDIAN_CALIB_COUNT_Z,float64,,Median of calibrated flux in Z camera,Median of calibrated flux in Z camera +MEDIAN_CALIB_SNR_B,float64,,Median(S/N) of calibrated flux in B camera,Median(S/N) of calibrated flux in B camera +MEDIAN_CALIB_SNR_R,float64,,Median(S/N) of calibrated flux in R camera,Median(S/N) of calibrated flux in R camera +MEDIAN_CALIB_SNR_Z,float64,,Median(S/N) of calibrated flux in Z camera,Median(S/N) of calibrated flux in Z camera +MEDIAN_FFLAT_COUNT_B,float64,,Median of fiber-flatfielded counts in B camera,Median of fiber-flatfielded counts in B camera +MEDIAN_FFLAT_COUNT_R,float64,,Median of fiber-flatfielded counts in R camera,Median of fiber-flatfielded counts in R camera +MEDIAN_FFLAT_COUNT_Z,float64,,Median of fiber-flatfielded counts in Z camera,Median of fiber-flatfielded counts in Z camera +MEDIAN_FFLAT_SNR_B,float64,,Median(S/N) of B cam fiberflatfielded counts,Median(S/N) of fiberflatfielded counts in B camera +MEDIAN_FFLAT_SNR_R,float64,,Median(S/N) of R cam fiberflatfielded counts,Median(S/N) of fiberflatfielded counts in R camera +MEDIAN_FFLAT_SNR_Z,float64,,Median(S/N) of Z cam fiberflatfielded counts,Median(S/N) of fiberflatfielded counts in Z camera +MEDIAN_RAW_COUNT_B,float64,,Median of raw counts in B camera,Median of raw counts in B camera +MEDIAN_RAW_COUNT_R,float64,,Median of raw counts in R camera,Median of raw counts in R camera +MEDIAN_RAW_COUNT_Z,float64,,Median of raw counts in Z camera,Median of raw counts in Z camera +MEDIAN_RAW_SNR_B,float64,,Median(raw signal/noise) in B camera,Median(raw signal/noise) in B camera +MEDIAN_RAW_SNR_R,float64,,Median(raw signal/noise) in R camera,Median(raw signal/noise) in R camera +MEDIAN_RAW_SNR_Z,float64,,Median(raw signal/noise) in Z camera,Median(raw signal/noise) in Z camera +MEDIAN_SKYSUB_COUNT_B,float64,,Median of sky-subtracted counts in B camera,Median of sky-subtracted counts in B camera +MEDIAN_SKYSUB_COUNT_R,float64,,Median of sky-subtracted counts in R camera,Median of sky-subtracted counts in R camera +MEDIAN_SKYSUB_COUNT_Z,float64,,Median of sky-subtracted counts in Z camera,Median of sky-subtracted counts in Z camera +MEDIAN_SKYSUB_SNR_B,float64,,Median(S/N) of sky-subtracted counts in B cam,Median(S/N) of sky-subtracted counts in B camera +MEDIAN_SKYSUB_SNR_R,float64,,Median(S/N) of sky-subtracted counts in R cam,Median(S/N) of sky-subtracted counts in R camera +MEDIAN_SKYSUB_SNR_Z,float64,,Median(S/N) of sky-subtracted counts in Z cam,Median(S/N) of sky-subtracted counts in Z camera +MJD,float64,d,Modified Julian Date when shutter open for exp,Modified Julian Date when shutter was opened for this exposure +MJD_BEGIN,float64,d,Start of the allowed observing window (MJD),Start of the allowed observing window for this target (Modified Julian Date) +MJD_END,float64,d,End of the allowed observing window (MJD),End of the allowed observing window for this target (Modified Julian Date) +MORPHTYPE,char[4],,Imaging Survey morphological type from Tractor,Imaging Surveys morphological type from Tractor +MWS_TARGET,int64,,Milky Way Survey targeting bits,Milky Way Survey targeting bits +MW_TRANSMISSION_G,float32,,Milky Way dust transmission in LS g-band,Milky Way dust transmission in LS g-band +MW_TRANSMISSION_R,float32,,Milky Way dust transmission in LS r-band,Milky Way dust transmission in LS r-band +MW_TRANSMISSION_W1,float32,,Milky Way dust transmission in WISE W1,Milky Way dust transmission in WISE W1 +MW_TRANSMISSION_W2,float32,,Milky Way dust transmission in WISE W2,Milky Way dust transmission in WISE W2 +MW_TRANSMISSION_W3,float32,,Milky Way dust transmission in WISE W3,Milky Way dust transmission in WISE W3 +MW_TRANSMISSION_W4,float32,,Milky Way dust transmission in WISE W4,Milky Way dust transmission in WISE W4 +MW_TRANSMISSION_Z,float32,,Milky Way dust transmission in LS z-band,Milky Way dust transmission in LS z-band +NCOEFF,int64,,Number of Redrock template coefficients,Number of Redrock template coefficients +NEAR_RADIUS,float32,arcsec,Radius used to set the NEAR_BRIGHT_OBJECT bit,Radius used to set the ``NEAR_BRIGHT_OBJECT`` bit in the ``DESI_TARGET`` bitmask. +NIGHT,int32,,YYYYMMDD date at start of this observing night,Night of observation (YYYYMMDD) starting at local noon before observations start +NOBS_G,int16,,Number of images for central pixel in g-band,Number of images for central pixel in g-band +NOBS_R,int16,,Number of images for central pixel in r-band,Number of images for central pixel in r-band +NOBS_Z,int16,,Number of images for central pixel in z-band,Number of images for central pixel in z-band +NPIXELS,int64,,Number of unmasked pixels used in Redrock fit,Number of unmasked pixels contributing to the Redrock fit +NTILE,int64,,Number of tiles target was available on,Number of tiles target was available on +NUMOBS,int64,,Nb of spectro observations of this given tile,"Number of spectroscopic observations (on this specific, single tile)" +NUMOBS_INIT,int64,,Initial number of observations for target,Initial number of observations for target calculated across target selection bitmasks and OBSCONDITIONS +NUMOBS_MORE,int64,,Number of additional observations needed,Number of additional observations needed +NUMTARGET,int16,,Total number of targets covered by positioner,Total number of targets that this positioner covered +NUM_ITER,int64,,Number of positioner iterations,Number of positioner iterations +NZ,float64,h^3 Mpc^-3,Comoving number density of tracer at given z,"The comoving number density of the tracer at the given redshift, assuming complete sample" +O2C,float64,,Criterion for strength of OII emission for ELG,The criteria for assessing strength of OII emission for ELG observations +OBJID,int32,,Imaging Surveys OBJID on brick (BRICK_OBJID),Imaging Surveys OBJID on that brick (renamed BRICK_OBJID) +OBJTYPE,char[3],,"Object type: TGT, SKY, NON, BAD","Object type: TGT, SKY, NON, BAD" +OBSCONDITIONS,int32,,Bitmask of allowed observing conditions,Bitmask of allowed observing conditions +OCLAYER,char[6],,DARK for dark time or BRIGHT for any time,Either 'DARK' for dark-time or 'BRIGHT' to observe in either bright- or dark-time +OIII_CHI2,float32,,Reduced chi2 of the fit for the [OIII] doublet,Reduced chi2 of the fit for the [OIII] doublet +OIII_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum for [OIII] doublet fit (constant),Continuum used for the fitting (fixed value) for the [OIII] doublet +OIII_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of [OIII] doublet continuum,Inverse variance of the continuum for the [OIII] doublet +OIII_EW,float32,Angstrom,[OIII] doublet rest-frame equivalent width,Fitted rest-frame equivalent width for the [OIII] doublet +OIII_EW_IVAR,float32,Angstrom^-2,Inverse variance of fitted OIII_EW,Inverse variance of the fitted rest-frame equivalent width for the [OIII] doublet +OIII_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the [OIII] doublet,Fitted flux for the [OIII] doublet +OIII_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of fitted [OIII] doublet flux,Inverse variance of the fitted flux for the [OIII] doublet +OIII_NDOF,int32,,Nb of degrees of freedom of [OIII] doublet fit,Number of degrees of freedom of the fit for the [OIII] doublet +OIII_SHARE,float32,,"F1/(F0+F1) for [OIII] w/ F0, F1 each line flux","F1/(F0+F1) for the [OIII] doublet, where F0 and F1 are the individual line fluxes (SHARE value fixed during the fit)" +OIII_SHARE_IVAR,float32,,Infinity because SHARE is fixed during the fit,"Infinite value, as SHARE is fixed during the fit" +OIII_SIGMA,float32,Angstrom,Fitted [OIII] line width in the observed frame,Fitted line width (in the observed frame) for the [OIII] doublet +OIII_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of OIII_SIGMA (obs frame),Inverse variance of the fitted line width (in the observed frame) for the [OIII] doublet +OII_CHI2,float32,,Reduced chi2 of the fit for the [OII] doublet,Reduced chi2 of the fit for the [OII] doublet +OII_CONT,float32,10**-17 erg/(s cm2 Angstrom),Continuum for [OII] doublet fit (constant),Continuum used for the fitting (fixed value) for the [OII] doublet +OII_CONT_IVAR,float32,10**+34 (s2 cm4 Angstrom2) / erg2,Inverse variance of [OII] doublet continuum,Inverse variance of the continuum for the [OII] doublet +OII_EW,float32,Angstrom,[OII] doublet rest-frame equivalent width,Fitted rest-frame equivalent width for the [OII] doublet +OII_EW_IVAR,float32,Angstrom^-2,Inverse variance of fitted OII_EW,Inverse variance of the fitted rest-frame equivalent width for the [OII] doublet +OII_FLUX,float32,10**-17 erg/(s cm2),Fitted flux for the [OII] doublet,Fitted flux for the [OII] doublet +OII_FLUX_IVAR,float32,10**+34 (s2 cm4) / erg2,Inverse variance of fitted [OII] doublet flux,Inverse variance of the fitted flux for the [OII] doublet +OII_NDOF,int32,,Nb of degrees of freedom of [OII] doublet fit,Number of degrees of freedom of the fit for the [OII] doublet +OII_SHARE,float32,,"F1/(F0+F1) for [OII] w/ F0, F1 each line flux","Fitted F1/(F0+F1) for the [OII] doublet, where F0 and F1 are the individual line fluxes" +OII_SHARE_IVAR,float32,,Inverse variance of OII_SHARE value,Inverse variance of the fitted F1/(F0+F1) for the [OII] doublet +OII_SIGMA,float32,Angstrom,Fitted [OII] line width in the observed frame,Fitted line width (in the observed frame) for the [OII] doublet +OII_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of OII_SIGMA (obs frame),Inverse variance of the fitted line width (in the observed frame) for the [OII] doublet +PARALLAX,float32,mas,Reference catalog parallax,Reference catalog parallax +PARALLAX_IVAR,float32,mas^-2,Inverse variance of PARALLAX,Inverse variance of PARALLAX +PETAL_LOC,int16,,Petal location [0-9],Petal location [0-9] +PHOTSYS,char[1],,Photom system: N for MzLS/BASS; S for DECaLS,"'N' for the MzLS/BASS photometric system, 'S' for DECaLS" +PLATE_DEC,float64,deg,Barycentric Declination for PlateMaker (ICRS),Barycentric Declination in ICRS to be used by PlateMaker +PLATE_RA,float64,deg,Barycentric RA for PlateMaker (ICRS),Barycentric Right Ascension in ICRS to be used by PlateMaker +PLATE_REF_EPOCH,float64,yr,Copy of REF_EPOCH for PlateMaker,Copy of REF_EPOCH to be used by PlateMaker +PMDEC,float32,mas yr^-1,Proper motion in the +Dec direction,Proper motion in the +Dec direction +PMDEC_IVAR,float32,yr^2 mas^-2,Inverse variance of PMDEC,Inverse variance of PMDEC +PMRA,float32,mas yr^-1,"Proper motion in +RA direction, incl. cos(dec)",proper motion in the +RA direction (already including cos(dec)) +PMRA_IVAR,float32,yr^2 mas^-2,Inverse variance of PMRA,Inverse variance of PMRA +PRIORITY,int32,,Target current priority,Target current priority +PRIORITY_INIT,int64,,Target initial priority from target selection,Target initial priority from target selection bitmasks and OBSCONDITIONS +PROBA_RF,float32,,Probability of being a QSO from Random Forest,Probability of being a quasar generated by the quasar Random Forest targeting algorithm. +PROB_OBS,float64,,Probability of assignment in alt histories,The number alternative assignment histories that the target was assigned in divided by 128 +PROGRAM,char[6],,"DESI program type: BRIGHT, DARK, BACKUP, OTHER","DESI program type - BRIGHT, DARK, BACKUP, OTHER" +PSFDEPTH_G,float32,nanomaggy^-2,PSF-based depth in g-band,PSF-based depth in g-band +PSFDEPTH_R,float32,nanomaggy^-2,PSF-based depth in r-band,PSF-based depth in r-band +PSFDEPTH_W1,float32,nanomaggy^-2,PSF-based depth in WISE W1,PSF-based depth in WISE W1 +PSFDEPTH_W2,float32,nanomaggy^-2,PSF-based depth in WISE W2,PSF-based depth in WISE W2 +PSFDEPTH_Z,float32,nanomaggy^-2,PSF-based depth in z-band,PSF-based depth in z-band +PSFSIZE_G,float32,arcsec,Median g-band PSF size of BRICK_PRIMARY objs,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in g-band +PSFSIZE_R,float32,arcsec,Median r-band PSF size of BRICK_PRIMARY objs,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in r-band +PSFSIZE_Z,float32,arcsec,Median z-band PSF size of BRICK_PRIMARY objs,Median PSF size evaluated at the BRICK_PRIMARY objects in this brick in z-band +PSF_TO_FIBER_SPECFLUX,float64,,PSF light fraction within fiber (given seeing),fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing +RA,float64,deg,Barycentric Right Ascension in ICRS,Barycentric Right Ascension in ICRS +RA_IVAR,float32,deg^-2,Inv variance of RA; w/o cos(dec) or astrom err,"Inverse variance of RA (no cosine term!), excluding astrometric calibration errors" +REF_CAT,char[2],,"Ref catalog (T2=Tycho-2, G2=Gaia DR2, L2=SGA)","Reference catalog source for star: 'T2' for Tycho-2, 'G2' for Gaia DR2, 'L2' for the SGA, empty otherwise" +REF_EPOCH,float32,yr,Reference epoch for Gaia/Tycho astrometry,Reference epoch for Gaia/Tycho astrometry. Typically 2015.5 for Gaia +REF_ID,int64,,Tyc1*1e6+Tyc2*10+Tyc3 (Tycho); sourceid (Gaia),"Tyc1*1,000,000+Tyc2*10+Tyc3 for Tycho-2; ``sourceid`` for Gaia DR2" +REF_MAG,float32,mag,"Mag for IN_RADIUS: G (Gaia); VT,HP,BT (Tycho)","Magnitude used to calculate ``IN_RADIUS``; typically, in order of preference, G-band for Gaia or VT then HP then BT for Tycho." +RELEASE,int16,,Imaging surveys release ID,Imaging surveys release ID +REST_GMR_0P0,float64,,Rest-frame g-r colour at redshift=0.0,Rest-frame g-r colour at redshift=0.0 +REST_GMR_0P1,float64,,Rest-frame g-r colour at redshift=0.1,Rest-frame g-r colour at redshift=0.1 +RMS_DELTA_X,float32,mm,RMS (over exposures) fiber CS5 X loc on FP,RMS (over exposures) of the fiber difference between measured and requested CS5 X location on focal plane +RMS_DELTA_Y,float32,mm,RMS (over exposures) fiber CS5 Y loc on FP,RMS (over exposures) of the fiber difference between measured and requested CS5 Y location on focal plane +ROSETTE_NUMBER,int32,,Rosette number ID [0-19],Rosette number ID [0-19] +ROSETTE_R,float64,deg,Radius from the rosette center to the target,Radius from the center of the rosette to the target +SCND_TARGET,int64,,Target select. bitmask for secondary programs,Target selection bitmask for secondary programs +SCND_ORDER,int32,,Nb of row for target entry in secondary file,Number of row for target entry in secondary file (placeholder; needed by fiberassign) +SEEING_ETC,float64,arcsec,Average FWHM atm seeing during exposure (ETC),Average FWHM atmospheric seeing during this exposure as measured by ETC +SEEING_GFA,float64,arcsec,Average FWHM atm seeing during exposure (GFA),Average FWHM atmospheric seeing during this exposure as measured by GFA +SERSIC,float32,,Sersic profile power-law index (MORPHTYPE=SER),Power-law index for the Sersic profile model (MORPHTYPE='SER') +SERSIC_IVAR,float32,,Inverse variance of SERSIC,Inverse variance of SERSIC +SHAPEDEV_E1,float32,,deVaucouleurs shape fit ellipticity param e1,deVaucouleurs shape fit ellipticity parameter e1 +SHAPEDEV_E1_IVAR,float32,,Inverse variance of SHAPEDEV_E1,Inverse variance of SHAPEDEV_E1 +SHAPEDEV_E2,float32,,deVaucouleurs shape fit ellipticity param e2,deVaucouleurs shape fit ellipticity parameter e2 +SHAPEDEV_E2_IVAR,float32,,Inverse variance of SHAPEDEV_E2,Inverse variance of SHAPEDEV_E2 +SHAPEDEV_R,float32,arcsec,deVaucouleurs shape half-light radius,deVaucouleurs shape half-light radius +SHAPEDEV_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPEDEV_R,Inverse variance of SHAPEDEV_R +SHAPEEXP_E1,float32,,Exponential shape fit ellipticity param e1,Imaging exponential shape fit ellipticity parameter e1 +SHAPEEXP_E1_IVAR,float32,,Inverse variance of SHAPEEXP_E1,Inverse variance of SHAPEEXP_E1 +SHAPEEXP_E2,float32,,Exponential shape fit ellipticity param e2,Imaging exponential shape fit ellipticity parameter e2 +SHAPEEXP_E2_IVAR,float32,,Inverse variance of SHAPEEXP_E2,Inverse variance of SHAPEEXP_E2 +SHAPEEXP_R,float32,arcsec,Imaging exponential shape half-light radius,Imaging exponential shape half-light radius +SHAPEEXP_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPEEXP_R,Inverse variance of SHAPEEXP_R +SHAPE_E1,float32,,Ellipticity param e1 of galaxy model MORPHTYPE,Ellipticity component 1 of galaxy model for galaxy type MORPHTYPE +SHAPE_E1_IVAR,float32,,Inverse variance of SHAPE_E1,Inverse variance of SHAPE_E1 +SHAPE_E2,float32,,Ellipticity param e2 of galaxy model MORPHTYPE,Ellipticity component 2 of galaxy model for galaxy type MORPHTYPE +SHAPE_E2_IVAR,float32,,Inverse variance of SHAPE_E2,Inverse variance of SHAPE_E2 +SHAPE_R,float32,arcsec,Half-light radius of galaxy model (>0),Half-light radius of galaxy model (>0) +SHAPE_R_IVAR,float32,arcsec^-2,Inverse variance of SHAPE_R,Inverse variance of SHAPE_R +SIGMA_MGII,float32,Angstrom,Fitted param SIGMA (linewidth) by MgII fitter,Fitted parameter SIGMA (linewidth) by MgII fitter (in angstrom?) +SPECTRO,int16,,Spectrograph number [0-9],Spectrograph number [0-9] +SPECTROID,int32,,Hardware ID of spectrograph (not used),Hardware ID of spectrograph (not used) +SPECTYPE,char[6],,"Best-fit spectral type: GALAXY, QSO, STAR","Spectral type of Redrock best fit template (e.g. GALAXY, QSO, STAR)" +SPGRPVAL,int32,,Value by which spectra are grouped for a coadd,Value by which spectra are grouped for a coadd (e.g. a YEARMMDD night) +STD_FIBER_DEC,float32,arcsec,Std deviation (over exposures) of fiber DEC,Standard deviation (over exposures) of DEC of actual fiber position +STD_FIBER_RA,float32,arcsec,Std deviation (over exposures) of fiber RA,Standard deviation (over exposures) of RA of actual fiber position +SUBPRIORITY,float64,,Random subpriority [0-1) to break assign ties,Random subpriority [0-1) to break assignment ties +SUBTYPE,char[20],,Spectral subtype,Spectral subtype +SUM_CALIB_COUNT_B,float64,,Sum of calibrated flux in B camera,Sum of calibrated flux in B camera +SUM_CALIB_COUNT_R,float64,,Sum of calibrated flux in R camera,Sum of calibrated flux in R camera +SUM_CALIB_COUNT_Z,float64,,Sum of calibrated flux in Z camera,Sum of calibrated flux in Z camera +SUM_FFLAT_COUNT_B,float64,,Sum of fiber-flatfielded counts B camera,Sum of fiber-flatfielded counts B camera +SUM_FFLAT_COUNT_R,float64,,Sum of fiber-flatfielded counts R camera,Sum of fiber-flatfielded counts R camera +SUM_FFLAT_COUNT_Z,float64,,Sum of fiber-flatfielded counts Z camera,Sum of fiber-flatfielded counts Z camera +SUM_RAW_COUNT_B,float64,,Sum of raw counts in B camera,Sum of raw counts in B camera +SUM_RAW_COUNT_R,float64,,Sum of raw counts in R camera,Sum of raw counts in R camera +SUM_RAW_COUNT_Z,float64,,Sum of raw counts in Z camera,Sum of raw counts in Z camera +SUM_SKYSUB_COUNT_B,float64,,Sum of sky-subtracted counts in B camera,Sum of sky-subtracted counts in B camera +SUM_SKYSUB_COUNT_R,float64,,Sum of sky-subtracted counts in R camera,Sum of sky-subtracted counts in R camera +SUM_SKYSUB_COUNT_Z,float64,,Sum of sky-subtracted counts in Z camera,Sum of sky-subtracted counts in Z camera +SURVEY,char[7],,Survey name,"Survey name: cmx, sv1, sv2, sv3, main" +SV1_BGS_TARGET,int64,,BGS (bright time) target sel bitmask for SV1,BGS (bright time program) target selection bitmask for SV1 +SV1_DESI_TARGET,int64,,DESI (dark time) target sel bitmask for SV1,DESI (dark time program) target selection bitmask for SV1 +SV1_MWS_TARGET,int64,,MWS (bright time) target sel bitmask for SV1,MWS (bright time program) target selection bitmask for SV1 +SV1_SCND_TARGET,int64,,Secondary target selection bitmask for SV1,Secondary target selection bitmask for SV1 +SV2_BGS_TARGET,int64,,BGS (bright time) target sel bitmask for SV2,BGS (bright time program) target selection bitmask for SV2 +SV2_DESI_TARGET,int64,,DESI (dark time) target sel bitmask for SV2,DESI (dark time program) target selection bitmask for SV2 +SV2_MWS_TARGET,int64,,MWS (bright time) target sel bitmask for SV2,MWS (bright time program) target selection bitmask for SV2 +SV2_SCND_TARGET,int64,,Secondary target selection bitmask for SV2,Secondary target selection bitmask for SV2 +SV3_BGS_TARGET,int64,,BGS (bright time) target sel bitmask for SV3,BGS (bright time program) target selection bitmask for SV3 +SV3_DESI_TARGET,int64,,DESI (dark time) target sel bitmask for SV3,DESI (dark time program) target selection bitmask for SV3 +SV3_MWS_TARGET,int64,,MWS (bright time) target sel bitmask for SV3,MWS (bright time program) target selection bitmask for SV3 +SV3_SCND_TARGET,int64,,Secondary target selection bitmask for SV3,Secondary target selection bitmask for SV3 +SV_NSPEC,int32,,Number of coadded spectra in SV (SV1+2+3),Number of coadded spectra for this TARGETID in SV (SV1+2+3) +SV_PRIMARY,bool,,True if primary coadded spectrum in SV(1+2+3),Boolean flag (True/False) for the primary coadded spectrum in SV (SV1+2+3) +TARGETID,int64,,Unique DESI target ID,Unique DESI target ID +TARGET_DEC,float64,deg,Barycentric declination in ICRS,Barycentric declination in ICRS +TARGET_RA,float64,deg,Barycentric right ascension in ICRS,Barycentric right ascension in ICRS +TARGET_STATE,char[*],,Combination of target class+current obs state,Combination of target class and its current observational state +TILEDEC,float64,deg,Barycentric declination of tile center in ICRS,Barycentric declination of tile center in ICRS +TILEID,int32,,Unique DESI tile ID,Unique DESI tile ID +TILELOCID,int64,,Is 10000*TILEID+LOCATION,Is 10000*TILEID+LOCATION +TILELOCIDS,char[*],,Available TILELOCIDs for a target joint by '-',"TILELOCIDs that the target was available for, separated by '-'" +TILELOCID_ASSIGNED,int64,,1 if the TILELOCID is assigned (0=unassigned),0/1 for unassigned/assigned for TILELOCID in question (it could have been assigned to a different target) +TILERA,float64,deg,Barycentric R.A. of tile center in ICRS,Barycentric Right Ascension of tile center in ICRS +TILES,char[*],,Available TILEIDs for a target joined by '-',"TILEIDs of those tile, in string form separated by '-'" +TIMESTAMP,str,s,UTC/ISO time when the target state was updated,UTC/ISO time at which the target state was updated +TOOID,int64,,ID for this target assigned by the CHECKER,ID for this target assigned by the ``CHECKER`` +TOO_PRIO,char[2],,High-priority (HI) or low-priority (LO) target,Either 'HI' for a very-high-priority target or 'LO' for a very-low-priority target +TOO_TYPE,char[5],,Type: TILE=special tile; FIBER=fiber-override,Either 'TILE' for a special tile or 'FIBER' for a fiber-override ToO +TSNR2_BGS,float32,,"BGS template (S/N)^2 summed over B,R,Z","BGS template (S/N)^2 summed over B,R,Z" +TSNR2_BGS_B,float32,,BGS B template (S/N)^2,BGS B template (S/N)^2 +TSNR2_BGS_R,float32,,BGS R template (S/N)^2,BGS R template (S/N)^2 +TSNR2_BGS_Z,float32,,BGS Z template (S/N)^2,BGS Z template (S/N)^2 +TSNR2_ELG,float32,,"ELG template (S/N)^2 summed over B,R,Z","ELG template (S/N)^2 summed over B,R,Z" +TSNR2_ELG_B,float32,,ELG B template (S/N)^2,ELG B template (S/N)^2 +TSNR2_ELG_R,float32,,ELG R template (S/N)^2,ELG R template (S/N)^2 +TSNR2_ELG_Z,float32,,ELG Z template (S/N)^2,ELG Z template (S/N)^2 +TSNR2_GPBBACKUP,float64,,Template (S/N)^2 for backup targets in BPB,template (S/N)^2 for backup targets in guider pass band +TSNR2_GPBBACKUP_B,float64,,Template (S/N)^2 for backup targets in GPB (B),template (S/N)^2 for backup targets in guider pass band on B +TSNR2_GPBBACKUP_R,float64,,Template (S/N)^2 for backup targets in GPB (R),template (S/N)^2 for backup targets in guider pass band on R +TSNR2_GPBBACKUP_Z,float64,,Template (S/N)^2 for backup targets in GPB (Z),template (S/N)^2 for backup targets in guider pass band on Z +TSNR2_GPBBRIGHT,float64,,Template (S/N)^2 for bright targets in BPB,template (S/N)^2 for bright targets in guider pass band +TSNR2_GPBBRIGHT_B,float64,,Template (S/N)^2 for bright targets in BPB (B),template (S/N)^2 for bright targets in guider pass band on B +TSNR2_GPBBRIGHT_R,float64,,Template (S/N)^2 for bright targets in BPB (R),template (S/N)^2 for bright targets in guider pass band on R +TSNR2_GPBBRIGHT_Z,float64,,Template (S/N)^2 for bright targets in BPB (Z),template (S/N)^2 for bright targets in guider pass band on Z +TSNR2_GPBDARK,float64,,Template (S/N)^2 for dark targets in BPB,template (S/N)^2 for dark targets in guider pass band +TSNR2_GPBDARK_B,float64,,Template (S/N)^2 for dark targets in BPB (B),template (S/N)^2 for dark targets in guider pass band on B +TSNR2_GPBDARK_R,float64,,Template (S/N)^2 for dark targets in BPB (R),template (S/N)^2 for dark targets in guider pass band on R +TSNR2_GPBDARK_Z,float64,,Template (S/N)^2 for dark targets in BPB (Z),template (S/N)^2 for dark targets in guider pass band on Z +TSNR2_LRG,float32,,"LRG template (S/N)^2 summed over B,R,Z","LRG template (S/N)^2 summed over B,R,Z" +TSNR2_LRG_B,float32,,LRG B template (S/N)^2,LRG B template (S/N)^2 +TSNR2_LRG_R,float32,,LRG R template (S/N)^2,LRG R template (S/N)^2 +TSNR2_LRG_Z,float32,,LRG Z template (S/N)^2,LRG Z template (S/N)^2 +TSNR2_LYA,float32,,"LYA template (S/N)^2 summed over B,R,Z","LYA template (S/N)^2 summed over B,R,Z" +TSNR2_LYA_B,float32,,LYA B template (S/N)^2,LYA B template (S/N)^2 +TSNR2_LYA_R,float32,,LYA R template (S/N)^2,LYA R template (S/N)^2 +TSNR2_LYA_Z,float32,,LYA Z template (S/N)^2,LYA Z template (S/N)^2 +TSNR2_QSO,float32,,"QSO template (S/N)^2 summed over B,R,Z","QSO template (S/N)^2 summed over B,R,Z" +TSNR2_QSO_B,float32,,QSO B template (S/N)^2,QSO B template (S/N)^2 +TSNR2_QSO_R,float32,,QSO R template (S/N)^2,QSO R template (S/N)^2 +TSNR2_QSO_Z,float32,,QSO Z template (S/N)^2,QSO Z template (S/N)^2 +TYPE,char[4],,Tractor morphological model type (MORPHTYPE),Morphological Model type from Tractor; renamed MORPHTYPE in most files +URAT_ID,int64,,ID in URAT catalog if applicable (ex: no Gaia),ID in the URAT catalog for sources where URAT supplemented missing Gaia astrometric information +URAT_SEP,float32,arcsec,"Separation b/w URAT and Gaia sources, if appl.",Separation between URAT and Gaia sources where URAT supplemented missing Gaia astrometric information +VAR_A_MGII,float32,,Variance of MgII fit amplitude parameter A,Variance of MgII fit amplitude parameter A +VAR_B_MGII,float32,,Variance of MgII fit offset parameter B,Variance of MgII fit offset parameter B +VAR_SIGMA_MGII,float32,,Variance of MgII fit width parameter sigma,Variance of MgII fit width parameter sigma +VERSION,char[14],,Tag of desitarget used to make target catalog,Tag of desitarget used to create the target catalog +WEIGHT,float64,,The combination of all weights to use,The combination of all weights to use +WEIGHT_COMP,float64,,1/FRACZ_TILELOCID,1/FRACZ_TILELOCID +WEIGHT_FKP,float64,,"1/(1+NZ*P0), with P0 different for each tracer","1/(1+NZ*P0), with P0 different for each tracer" +WEIGHT_SYS,float64,,Correction for imaging conditions; RF method,"Correction for fluctuations in projected density with imaging conditions, from random forrest method" +WEIGHT_SYSEB,float64,,Corr for imaging conditions; eBOSS lin regress,"Correction for fluctuations in projected density with imaging conditions, from linear regression method applied to eBOSS" +WEIGHT_ZFAIL,float64,,Should be all 1 at this point for main survey,Should be all 1 at this point for main survey +WISEMASK_W1,byte,,Bitwise mask for WISE W1 data,Bitwise mask for WISE W1 data +WISEMASK_W2,byte,,Bitwise mask for WISE W2 data,Bitwise mask for WISE W2 data +Z,float64,,Redshift measured by Redrock,Redshift measured by Redrock +ZCAT_NSPEC,int32,,Nb of coadded spectra for TARGETID in catalog,Number of times this TARGETID appears in this catalog +ZCAT_PRIMARY,bool,,True if primary coadded spectrum in catalog,Boolean flag (True/False) for the primary coadded spectrum in this zcatalog +ZERR,float64,,Redshift error from redrock,Redshift error from redrock +ZPOSSLOC,bool,,Whether location is possible for target class,True/False whether the location could have been assigned to the given target class +ZTILEID,int32,,ID of latest tile that updated target state,ID of tile that most recently updated target's state +ZWARN,int64,,Redshift warning bitmask from Redrock,Redshift warning bitmask from Redrock +ZWARN_MTL,int64,,ZWARN from the zmtl file (contains extra bits),The ZWARN from the zmtl file (contains extra bits) +Z_CIII,float64,,Redshift estimated by QuasarNET with CIII line,Redshift estimated by QuasarNET with CIII line +Z_CIV,float64,,Redshift estimated by QuasarNET with CIV line,Redshift estimated by QuasarNET with CIV line +Z_Halpha,float64,,Redshift estimated by QuasarNET w\ Halpha line,Redshift estimated by QuasarNET with Halpha line +Z_Hbeta,float64,,Redshift estimated by QuasarNET w\ Hbeta line,Redshift estimated by QuasarNET with Hbeta line +Z_HP,float64,,Redshift from Healpix coadd,Redshift from Healpix coadd +Z_LYA,float64,,Redshift estimated by QuasarNET with LyA line,Redshift estimated by QuasarNET with LyA line +Z_MgII,float64,,Redshift estimated by QuasarNET with MgII line,Redshift estimated by QuasarNET with MgII line +Z_QN,float64,,Redshift by QuasarNET; highest confidence line,Redshift measured by QuasarNET using line with highest confidence +Z_QN_CONF,float64,,Redshift confidence from QuasarNET,Redshift confidence from QuasarNET +Z_RR,float64,,Redshift collected from redrock file,Redshift collected from redrock file From 13d9103a567dcac932a1d544964acba16a7d1301 Mon Sep 17 00:00:00 2001 From: Stephen Bailey Date: Thu, 12 Sep 2024 14:05:02 -0700 Subject: [PATCH 4/7] update code to use FullDescription --- py/desidatamodel/stub.py | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/py/desidatamodel/stub.py b/py/desidatamodel/stub.py index 18f13a41..b38c53f8 100644 --- a/py/desidatamodel/stub.py +++ b/py/desidatamodel/stub.py @@ -701,7 +701,7 @@ def read_column_descriptions(filename): """Read column descriptions csv file and return dictionary Args: - filename (str): csv filename with columns NAME,TYPE,UNITS,DESCRIPTION + filename (str): csv filename with columns NAME,TYPE,UNITS,DESCRIPTION,FULLDESCRIPTION Returns: coldesc_dict[NAME] = dict with keys TYPE, UNITS, DESCRIPTION @@ -713,15 +713,15 @@ def read_column_descriptions(filename): with open(filename) as fp: header = fp.readline().strip() - correct_header = 'Name,Type,Units,FullDescription,Description' + correct_header = 'Name,Type,Units,Description,FullDescription' if header != correct_header: raise ValueError(f'{filename} header {header} should be {correct_header}.') coldesc = dict() csvreader = csv.reader(fp) for row in csvreader: - name, dtype, units, dm_desc, fits_desc = row - coldesc[name] = dict(Type=dtype, Units=units, Description=dm_desc) + name, dtype, units, short_desc, full_desc = row + coldesc[name] = dict(Type=dtype, Units=units, Description=full_desc) return coldesc @@ -754,7 +754,7 @@ def main(): parser.add_argument('filename', help='A FITS file.', metavar='FILE', nargs='+') parser.add_argument("--column_descriptions", - help="CSV file with column info Name,Type,Units,Description; " + help="CSV file with column info Name,Type,Units,Description,FullDescription; " "default=%(default)s", default=(ir.files('desidatamodel') / 'data' / 'column_descriptions.csv')) From 504ba15ccbe8bf03a8ddff8f9e3923f5e968846e Mon Sep 17 00:00:00 2001 From: Stephen Bailey Date: Thu, 12 Sep 2024 14:13:16 -0700 Subject: [PATCH 5/7] fix tests, again --- py/desidatamodel/test/t/column_descriptions.csv | 6 +++--- py/desidatamodel/test/test_stub.py | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/py/desidatamodel/test/t/column_descriptions.csv b/py/desidatamodel/test/t/column_descriptions.csv index 2fec875f..3fa05dd1 100644 --- a/py/desidatamodel/test/t/column_descriptions.csv +++ b/py/desidatamodel/test/t/column_descriptions.csv @@ -1,4 +1,4 @@ -Name,Type,Units,FullDescription,Description +Name,Type,Units,Description,FullDescription target,char[20],,Target Name,Target Name -V_mag,float32,nanomaggy,V-band nanomaggy to test units,V-band flux -vdisp,float64,m/s,Velocity dispersion,Vel Disp +V_mag,float32,nanomaggy,V-band flux,V-band nanomaggy to test units +vdisp,float64,m/s,Vel Disp,Velocity dispersion diff --git a/py/desidatamodel/test/test_stub.py b/py/desidatamodel/test/test_stub.py index 9ce7be0a..a16f54d1 100644 --- a/py/desidatamodel/test/test_stub.py +++ b/py/desidatamodel/test/test_stub.py @@ -686,7 +686,7 @@ def test_Stub_with_descriptions(self, mock_log): # incorrect format column description file baddescfile = self.test_files / 'bad_column_descriptions.csv' header = 'Name,dtype,Units,Description' - correct_header = 'Name,Type,Units,FullDescription,Description' + correct_header = 'Name,Type,Units,Description,FullDescription' with self.assertRaises(ValueError) as exc: stub = Stub(filename, description_file=baddescfile) lines = str(stub) From 52c9cc66bd9b4a4814c03624540ebd5911c0cea8 Mon Sep 17 00:00:00 2001 From: Stephen Bailey Date: Thu, 12 Sep 2024 14:23:56 -0700 Subject: [PATCH 6/7] fix two TARGETID entries --- .../SPECPROD/zcatalog/zpix-SURVEY-PROGRAM.rst | 2 +- .../SPECPROD/zcatalog/ztile-SURVEY-PROGRAM-GROUPTYPE.rst | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/DESI_SPECTRO_REDUX/SPECPROD/zcatalog/zpix-SURVEY-PROGRAM.rst b/doc/DESI_SPECTRO_REDUX/SPECPROD/zcatalog/zpix-SURVEY-PROGRAM.rst index 486ff0d7..ecdf87a3 100644 --- a/doc/DESI_SPECTRO_REDUX/SPECPROD/zcatalog/zpix-SURVEY-PROGRAM.rst +++ b/doc/DESI_SPECTRO_REDUX/SPECPROD/zcatalog/zpix-SURVEY-PROGRAM.rst @@ -95,7 +95,7 @@ Required Data Table Columns ========================== =========== ============ ===================================================================================================================================== Name Type Units Description ========================== =========== ============ ===================================================================================================================================== -TARGETID int64 ID (unique to file? and the whole survey?) +TARGETID int64 Unique DESI target ID SURVEY [1]_ char[7] Survey name PROGRAM [1]_ char[6] DESI program type - BRIGHT, DARK, BACKUP, OTHER HEALPIX int32 HEALPixel containing this location at NSIDE=64 in the NESTED scheme diff --git a/doc/DESI_SPECTRO_REDUX/SPECPROD/zcatalog/ztile-SURVEY-PROGRAM-GROUPTYPE.rst b/doc/DESI_SPECTRO_REDUX/SPECPROD/zcatalog/ztile-SURVEY-PROGRAM-GROUPTYPE.rst index 53b55949..149552b5 100644 --- a/doc/DESI_SPECTRO_REDUX/SPECPROD/zcatalog/ztile-SURVEY-PROGRAM-GROUPTYPE.rst +++ b/doc/DESI_SPECTRO_REDUX/SPECPROD/zcatalog/ztile-SURVEY-PROGRAM-GROUPTYPE.rst @@ -94,7 +94,7 @@ Required Data Table Columns ========================== =========== ============ ===================================================================================================================================== Name Type Units Description ========================== =========== ============ ===================================================================================================================================== -TARGETID int64 ID (unique to file? and the whole survey?) +TARGETID int64 Unique DESI target ID SURVEY [1]_ char[7] Survey name PROGRAM [1]_ char[6] DESI program type - BRIGHT, DARK, BACKUP, OTHER LASTNIGHT int32 Final night of observation included in a series of coadds From 547accc7a71374419478afb3714199b8510e3aa5 Mon Sep 17 00:00:00 2001 From: Stephen Bailey Date: Thu, 12 Sep 2024 14:27:25 -0700 Subject: [PATCH 7/7] update changes.rst --- doc/changes.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/doc/changes.rst b/doc/changes.rst index dd1fd824..b4eb31e5 100644 --- a/doc/changes.rst +++ b/doc/changes.rst @@ -11,6 +11,8 @@ desidatamodel Change Log * Update definition of ``ZCAT_NSPEC`` (PR `#187`_). * Add note about equivalent width values in ``fuji`` and ``guadalupe`` (PR `#181`_). * Add note about units in FITS files (PR `#178`_). +* Update ``column_descriptions.csv`` for short Description (for FITS headers) + and FullDescription (longer, for data model) (PR `#196`_). .. _`#178`: https://github.com/desihub/desidatamodel/pull/178 .. _`#181`: https://github.com/desihub/desidatamodel/pull/181 @@ -18,6 +20,7 @@ desidatamodel Change Log .. _`#189`: https://github.com/desihub/desidatamodel/pull/189 .. _`#192`: https://github.com/desihub/desidatamodel/pull/192 .. _`#193`: https://github.com/desihub/desidatamodel/pull/193 +.. _`#196`: https://github.com/desihub/desidatamodel/pull/196 23.1 (2023-06-12) -----------------