| Neighbouring sources for each entry in u12bd1Source. |
| All neighbouring sources within 10.0 arcsec of each merged source from U12BD1 data are recorded in this neighbour table. The table u12bd1Source was joined to itself to create this table of neighbours. |
| Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
|---|---|---|---|---|---|---|
| masterObjID | bigint | 8 | The unique ID in u12bd1Source (=sourceID) | ID_MAIN | ||
| slaveObjID | bigint | 8 | The unique ID of the neighbour in u12bd1Source (=sourceID) | ID_CATALOG | ||
| distanceMins | real | 4 | arcminutes | Angular separation between neighbours | POS_ANG_DIST_GENERAL | |
| Total length | 20 |