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| name | type | text |
| sdssTileAll | TILES | Contains information about each individual tile on the sky. Each 'tile' corresponds to an SDSS-I or -II spectroscopic observation. The tile covers a region of the 1.49 deg in radius, and corresponds to one or more observed plates. At the time the tile was created, all of the 'tiled target' categories (galaxies, quasars, and some very special categories of star) were assigned fibers; later other targets were assigned fibers on the plate. |
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