update definition of ZCAT_NSPEC

desihub · Jan 3, 2024 · 5ddaa02 · 5ddaa02
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Showing 4 changed files with 5 additions and 3 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
@@ -225,7 +225,7 @@ SV_NSPEC [1]_              int32                    Number of coadded spectra fo
 SV_PRIMARY [1]_            logical                  Boolean flag (True/False) for the primary coadded spectrum in SV (SV1+2+3)
 MAIN_NSPEC [1]_            int32                    Number of coadded spectra for this TARGETID in Main survey
 MAIN_PRIMARY [1]_          logical                  Boolean flag (True/False) for the primary coadded spectrum in Main survey
-ZCAT_NSPEC                 int16                    Number of coadded spectra for this TARGETID in this zcatalog
+ZCAT_NSPEC                 int16                    Number of times this TARGETID appears in this catalog
 ZCAT_PRIMARY               logical                  Boolean flag (True/False) for the primary coadded spectrum in this zcatalog
 ========================== =========== ============ =====================================================================================================================================
 

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
@@ -235,7 +235,7 @@ SV_NSPEC [1]_              int32                    Number of coadded spectra fo
 SV_PRIMARY [1]_            logical                  Boolean flag (True/False) for the primary coadded spectrum in SV (SV1+2+3)
 MAIN_NSPEC [1]_            int32                    Number of coadded spectra for this TARGETID in Main survey
 MAIN_PRIMARY [1]_          logical                  Boolean flag (True/False) for the primary coadded spectrum in Main survey
-ZCAT_NSPEC                 int16                    Number of coadded spectra for this TARGETID in this zcatalog
+ZCAT_NSPEC                 int16                    Number of times this TARGETID appears in this catalog
 ZCAT_PRIMARY               logical                  Boolean flag (True/False) for the primary coadded spectrum in this zcatalog
 ========================== =========== ============ =====================================================================================================================================
 

diff --git a/doc/changes.rst b/doc/changes.rst
@@ -7,9 +7,11 @@ desidatamodel Change Log
 
 * Add note about equivalent width values in ``fuji`` and ``guadalupe`` (PR `#181`_).
 * Add note about units in FITS files (PR `#178`_).
+* Update definition of ``ZCAT_NSPEC`` (PR `#199`_).
 
 .. _`#178`: https://github.com/desihub/desidatamodel/pull/178
 .. _`#181`: https://github.com/desihub/desidatamodel/pull/181
+.. _`#199`: https://github.com/desihub/desidatamodel/pull/199
 
 23.1 (2023-06-12)
 -----------------

diff --git a/py/desidatamodel/data/column_descriptions.csv b/py/desidatamodel/data/column_descriptions.csv
@@ -432,7 +432,7 @@ 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 coadded spectra for this TARGETID in this zcatalog
+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