| Cross-neighbours between atlas and firstSource. |
| All FIRST sources within 10.0 arcsec of each source from ATLAS data are recorded in this cross-neighbour table. The table atlasSource was joined to the firstSource table to create these cross-neighbours. Use this table for any cross-querying of ATLAS data with sources from FIRST. |
| Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
|---|---|---|---|---|---|---|
| masterObjID | bigint | 8 | The unique ID in atlasSource (=sourceID) | meta.id;meta.main | ||
| slaveObjID | bigint | 8 | The unique ID of the neighbour in FIRST..firstSource (=seqNo) | meta.id;meta.dataset | ||
| distanceMins | real | 4 | arcminutes | Angular separation between neighbours | pos.angDistance | |
| Total length | 20 |