| SDSS objects that match to USNO-B objects have their match parameters stored here. |
| name | type | length | unit | ucd | description |
| delta | real | 4 | arcsec | POS_ANG_DIST_GENERAL | Position difference between catalog and photo object (r' band) |
| match | int | 4 | CODE_MISC | 1: successful match to catalog within 1.0 arcsec | |
| propermotion | real | 4 | 0.01 arcsec/y | POS_PM | Proper motion of object |
| angle | real | 4 | deg | POS_PM_PA | Direction of proper motion (+N through E) |
| blue | real | 4 | mag | PHOT_MAG_B | Blue magnitude of matching USNO object |
| red | real | 4 | mag | PHOT_MAG_R | Red magnitude of matching USNO object |
| objID | bigint | 8 | ID_MAIN | unique id, points to photoObj |