| Neighbouring sources for each entry in u18bncu02Source. |
| All neighbouring sources within 10.0 arcsec of each merged source from U18BNCU02 data are recorded in this neighbour table. The table u18bncu02Source 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 u18bncu02Source (=sourceID) | ID_MAIN | ||
| slaveObjID | bigint | 8 | The unique ID of the neighbour in u18bncu02Source (=sourceID) | ID_CATALOG | ||
| distanceMins | real | 4 | arcminutes | Angular separation between neighbours | POS_ANG_DIST_GENERAL | |
| Total length | 20 |