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Table: stripe82.usno_a2
(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
htm9Ninth level (~10 arcmin resolution) Hierarchical Triangular Mesh index (Szalay et al. 2007)BIGINT
idOriginal designation in USNO-A2 catalogCHAR
mflagMagnitudes are probably wrongCHAR
nest256Nested-scheme HEALPix (Gorski et al. 2005) index with NSIDE=256 (~14 arcmin resolution)BIGINT
raj2000Right ascension (ICRS) of blue/red platesDOUBLE
raj2000_Right Ascension (sexagesimal)CHAR
ring256Ring-scheme HEALPix (Gorski et al. 2005) index with NSIDE=256 (~14 arcmin resolution)BIGINT
rmagMagnitude from red plateREAL


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