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Table: ls_dr8.photo_z
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| brickid | Brick ID [1,662174] | INTEGER |
| ls_id | Unique LS object ID from RELEASE, BRICKID, OBJID | BIGINT |
| objid | Catalog object number within this brick; a unique identifier hash is release,brickid,objid; objid spans [0,N-1] and is contiguously enumerated within each blob | INTEGER |
| release | Unique integer denoting the camera and filter set used | SMALLINT |
| survey | source of the spectroscopic redshift | VARCHAR |
| training | whether or not the spectroscopic redshift is used for the photo-z training | CHAR |
| z_phot_l68 | lower 68% confidence limit derived from the photo-z PDF | REAL |
| z_phot_l95 | lower 95% confidence limit derived from the photo-z PDF | REAL |
| z_phot_mean | photo-z derived from the mean of the photo-z PDF | REAL |
| z_phot_median | (recommended) photo-z derived from the median of the photo-z PDF | REAL |
| z_phot_std | standard deviation of the photo-z derived from the photo-z PDF | REAL |
| z_phot_u68 | upper 68% confidence limit derived from the photo-z PDF | REAL |
| z_phot_u95 | upper 95% confidence limit derived from the photo-z PDF | REAL |
| z_spec | spectroscopic redshift, if available | REAL |
