| Neighbouring sources for each entry in u12bk4Source. |
| All neighbouring sources within 10.0 arcsec of each merged source from U12BK4 data are recorded in this neighbour table. The table u12bk4Source 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 u12bk4Source (=sourceID) | ID_MAIN | ||
| slaveObjID | bigint | 8 | The unique ID of the neighbour in u12bk4Source (=sourceID) | ID_CATALOG | ||
| distanceMins | real | 4 | arcminutes | Angular separation between neighbours | POS_ANG_DIST_GENERAL | |
| Total length | 20 |