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Table: ls_dr9.photo_z
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| brickid | Brick ID [1,662174] | INTEGER |
| ls_id | Unique LS object ID | 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 brick | 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 in photometric redshift training | CHAR |
| z_phot_l68 | Lower bound of the 68% confidence region, derived from the photo-z PDF | REAL |
| z_phot_l95 | Lower bound of the 95% confidence region, 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 | photo-z derived from the median of the photo-z PDF | REAL |
| z_phot_std | Standard deviation of the photo-zs derived from the photo-z PDF | REAL |
| z_phot_u68 | Upper bound of the 68% confidence region, derived from the photo-z PDF | REAL |
| z_phot_u95 | Upper bound of the 68% confidence region, derived from the photo-z PDF | REAL |
| z_spec | Spectroscopic redshift, if available | REAL |
