| Cross-neighbours between viking and PhotoObj. | 
|  All SDSS-DR7 sources within 10.0 arcsec of each source from VIKING data are recorded in this cross-neighbour table. The table vikingSource was joined to the PhotoObj table to create these cross-neighbours. Use this table for any cross-querying of VIKING data with sources from SDSS-DR7.  | 
| Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor | 
|---|---|---|---|---|---|---|
| masterObjID | bigint | 8 | The unique ID in vikingSource (=sourceID) | meta.id;meta.main | ||
| slaveObjID | bigint | 8 | The unique ID of the neighbour in BestDR7..PhotoObj (=objID) | meta.id;meta.dataset | ||
| distanceMins | real | 4 | arcminutes | Angular separation between neighbours | pos.angDistance | |
| sdssType | tinyint | 1 | SDSS type of neighbour: 3=galaxy; 6=star | 255 | src.class | |
| sdssPrimary | tinyint | 1 | SDSS flag for neighbour being primary (1) or secondary (0) | 255 | meta.code | |
| Total length | 22 |