| Cross-neighbours between the Gaia DR1 source table and SDSS DR9 PhotoObjAll. |
| All BestDR9..PhotoObjAll sources within 5 arcseconds of each source from the Gaia DR1 source table are recorded in this cross-neighbour table. The table gaia_source was joined to the BESTDR9..PhotoObjAll table to create these cross-neighbours. |
| Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
|---|---|---|---|---|---|---|
| masterObjID | bigint | 8 | The unique ID in gaia_source (= source_id) | meta.id.cross;meta.main | ||
| slaveObjID | bigint | 8 | The unique ID of the neighbour in BESTDR9..PhotoObjAll (= objID) | meta.id.cross | ||
| distanceMins | real | 4 | arcminutes | Angular separation between neighbours | POS_ANG_DIST_GENERAL | |
| Total length | 20 |