stackMetaID dimensionless   BIGINT 8 NA stack identifier
batchID     dimensionless   BIGINT 8 NA batch identifier
surveyID    dimensionless   TINYINT 1 NA survey flag identifier
filterID    dimensionless   TINYINT 1 NA fnilutemr eidriecnatl ifidier
stackTypeID dimensionless   TINYINT 1 0 stack type identifier
skyCellID   dimensionless   REAL 4 NA skycell region identifier 
photoCalID  dimensionless   INT 4 NA photometry code
magSat      dimensionless   REAL 4 -999 saturation magnitude level
analVer     dimensionless   SMALLINT 2 -999 analysis version index
expTime     seconds         REAL 4 -999 exposure time
nP2Images   dimensionless   SMALLINT 2 -999 number of P2 images contributing to this cell
completMag  magnitudes      REAL 4 -999 95% completion level in mag
astroScat   dimensionless   REAL 4 -999 astrometric scatter for chip
photoScat   dimensionless   REAL 4 -999 photometric scatter for chip
nAstroRef   dimensionless   INT 4 -999 number of astrometric reference sources
nPhoRef     dimensionless   INT 4 -999 number of photometric reference sources
psfModelID  dimensionless   VARCHAR(MAX) 8000 PSF model identifier
psfFwhm_mean arcsec         FLOAT 8 -999 mean PSF FWHM in the stack
psfFwhm_max  arcsec         FLOAT 8 -999 maximum PSF FWHM in the stack 
photoZero    magnitudes     REAL 4 -999 local derived photometric zero point
photoColor   magnitudes     REAL 4 -999 local derived photometric color term
ctype1       alphanumeric   VARCHAR(MAX) 8000 name of astrometric projection in RA
ctype2       alphanumeric   VARCHAR(MAX) 8000 name of astrometric projection in DEC
crval1       degrees        FLOAT 8 -999 RA corresponding to reference pixel
crval2       degrees        FLOAT 8 -999 DEC corresponding to reference pixel
crpix1       dimensionless  FLOAT 8 -999 reference pixel value for RA
crpix2       dimensionless  FLOAT 8 -999 reference pixel value for DEC
cdelt1       deg/pixel      FLOAT 8 -999 scale factor for RA
cdelt2       deg/pixel      FLOAT 8 -999 scale factor for DEC
pc001001     dimensionless  FLOAT 8 -999 elements of rotation/Dcale matrix 
pc001002     dimensionless  FLOAT 8 -999 elements of rotation/Dcale matrix
pc002001     dimensionless  FLOAT 8 -999 elements of rotation/Dcale matrix
pc002002     dimensionless  FLOAT 8 -999 elements of rotation/Dcale matrix
calibModNum  dimensionless  SMALLINT 2 NA calibration modification number
dataRelease  dimensionless  TINYINT 1 NA Data release
