| Neighbouring sources for each entry in u18ah02aSource. |
| All neighbouring sources within 10.0 arcsec of each merged source from U18AH02A data are recorded in this neighbour table. The table u18ah02aSource 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 u18ah02aSource (=sourceID) | ID_MAIN | ||
| slaveObjID | bigint | 8 | The unique ID of the neighbour in u18ah02aSource (=sourceID) | ID_CATALOG | ||
| distanceMins | real | 4 | arcminutes | Angular separation between neighbours | POS_ANG_DIST_GENERAL | |
| Total length | 20 |