zall-tilecumulative-SPECPROD-extra.fits
- Summary:
Concatenation of all
ztile-*-cumulative-extra.fitsfiles, combining all extra columns across all TILEs, SURVEYs, and PROGRAMs.- Naming Convention:
zcatalog/v2/zall/zall-tilecumulative-{SPECPROD}-extra.fits, where{SPECPROD}is the official name of the full reduction, e.g.iron.- Regex:
zall-tilecumulative-[a-z0-9_-]+-extra\.fits- File Type:
FITS, ~200 GB
This file is row-matched to zall-tilecumulative-SPECPROD.fits and contains the extra columns stacked from all ztile-*-cumulative-extra.fits files.
Contents
Number |
EXTNAME |
Type |
Contents |
|---|---|---|---|
PRIMARY |
IMAGE |
Empty |
|
ZCATALOG_EXTRA |
BINTABLE |
All extra columns not in core or imaging files |
FITS Header Units
HDU0
EXTNAME = PRIMARY
Required Header Keywords
Required Header Keywords Table
KEY |
Example Value |
Type |
Comment |
|---|---|---|---|
CHECKSUM |
9aaGCVYE9aaECUYE |
str |
HDU checksum |
DATASUM |
0 |
str |
data unit checksum |
ZCATVER |
v2 |
str |
Version of zcatalog files |
Empty HDU.
HDU1
EXTNAME = ZCATALOG_EXTRA
All extra columns stacked from all
ztile-SURVEY-PROGRAM-GROUPTYPE-extra.fits
cumulative files. Column definitions are identical to that file; see it for
full descriptions. Note that FIRSTNIGHT is included here (from the
cumulative tile coadds) but not in the zall-tilecumulative core file.
Required Header Keywords
Required Header Keywords Table
KEY |
Example Value |
Type |
Comment |
|---|---|---|---|
NAXIS1 |
882 |
int |
width of table in bytes |
NAXIS2 |
10000000 |
int |
number of rows in table |
CHECKSUM |
QA6lQ26iQ96iQ96i |
str |
HDU checksum |
DATASUM |
4284326946 |
str |
data unit checksum |
ZCATVER |
v2 |
str |
Version of zcatalog files |
Required Data Table Columns
See HDU1 of ztile-SURVEY-PROGRAM-GROUPTYPE-extra.fits for the full column list. The zall-tilecumulative-SPECPROD-extra file contains the same columns, with rows stacked from all surveys, programs, and tiles.