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Table: sdss_dr12.dr12q_duplicates
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| dupspecobjid | specObjID of other observations of the same object. | BIGINT |
| fiberid | Spectroscopic fiber number | SMALLINT |
| mjd | Modified Julian Day of the spectroscopic observation | INTEGER |
| plate | Spectroscopic plate number | SMALLINT |
| run2d | 2D Reduction version of spectrum | CHAR |
| snr | Median SNR (whole spectrum) for the duplicate spectrum | REAL |
| specobjid | specObjID of the primary spectrum in the dr14q table. | BIGINT |
