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Table: sdss_dr16.elg_classifier
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| fiberid | Fiber number | SMALLINT |
| g_r | g-r color k-corrected to z=0.1. | DOUBLE |
| i_z | i-z color k-corrected to z=0.1. | DOUBLE |
| mjd | Date the data was taken | INTEGER |
| o2_hb | Log ([OII] 3726+[OII] 3729)/Hbeta | DOUBLE |
| o3_hb | Log ([OIII] 5007)/Hbeta. | DOUBLE |
| plate | Plate number | SMALLINT |
| r_i | r-i color k-corrected to z=0.1. | DOUBLE |
| random_id | Random ID in the range 0.0 => 100.0 | REAL |
| sdss_joinid | Unique ID based on PLATE, MJD, FIBERID for joining across data releases | BIGINT |
| sigma_o3 | Log [OIIII] 5007 line width. Instrument dispersion is NOT corrected. | DOUBLE |
| sigma_star | Stellar velocity dispersion. | DOUBLE |
| specobjid | Unique database ID based on PLATE, MJD, FIBERID, RUN2D | BIGINT |
| type | Class of object. 1=starforming galaxy, 2=composite, 3=AGN, 4=LINER | SMALLINT |
| u_g | u-g color k-corrected to z=0.1. | DOUBLE |
| z | Redshift | DOUBLE |
