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(The bold columns are indexed columns)
Column NameDescriptionDatatype
brickidBrick ID [1,662174]INTEGER
ls_idUnique LS object ID from RELEASE, BRICKID, OBJIDBIGINT
objidCatalog object number within this brick; a unique identifier hash is release,brickid,objid; objid spans [0,N-1] and is contiguously enumerated within each blobINTEGER
releaseUnique integer denoting the camera and filter set usedSMALLINT
surveysource of the spectroscopic redshiftVARCHAR(n)
trainingwhether or not the spectroscopic redshift is used for the photo-z trainingBOOLEAN
z_phot_l68lower 68% confidence limit derived from the photo-z PDFREAL
z_phot_l95lower 95% confidence limit derived from the photo-z PDFREAL
z_phot_meanphoto-z derived from the mean of the photo-z PDFREAL
z_phot_median(recommended) photo-z derived from the median of the photo-z PDFREAL
z_phot_stdstandard deviation of the photo-z derived from the photo-z PDFREAL
z_phot_u68upper 68% confidence limit derived from the photo-z PDFREAL
z_phot_u95upper 95% confidence limit derived from the photo-z PDFREAL
z_specspectroscopic redshift, if availableREAL