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 The PMM USNO-A1.0 Catalogue (Monet 1997)
gcoral3f This catalogue is obsoleted by I/252
Post annotation
1.I/243/outThe Full Catalogue (Note) (488006860 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  USNO-A1.0 (char) Original designation in USNO-A1.0 catalogue (Note)   (;meta.main)
  RA(ICRS) deg Right ascension (ICRS) mean of blue/red plates (pos.eq.ra;meta.main)
  DE(ICRS) deg Declination (ICRS) mean of blue/red plates (pos.eq.dec;meta.main)
  GSCflag (char) [G] 'G' when star belongs to GSC (Cat. I/220) (meta.note)
  Mflag (char) [*] '*' magnitudes are probably wrong (meta.code)
  Bmag mag Magnitude from blue plate (phot.mag;em.opt.B)
  Rmag mag Magnitude from red plate (phot.mag;em.opt.R)
  Epoch yr (n) Mean epoch of position (Note)   (time.epoch)

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