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 |