Choose a database in the left panel then select the table you want!

(The bold columns are indexed columns)
Column NameDescriptionDatatype
actflagDoes star belong to ACTCHAR
bmagMagnitude from blue plateREAL
dej2000Declination (ICRS) of blue/red platesDOUBLE
dej2000_Declination (sexagesimal)CHAR
epochMean epoch of positionREAL
htm9HTM index (order 9 => ~10 arcmin size)BIGINT
idOriginal designation in USNO-A2 catalogCHAR
mflagMagnitudes are probably wrongCHAR
raj2000Right Ascension (ICRS) of blue/red platesDOUBLE
raj2000_Right Ascension (sexagesimal)CHAR
rmagMagnitude from red plateREAL