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 UBV photometry of AB stars in halo (Pier, 1982)
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1.J/AJ/87/1515/table6UBV photometry (233 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  BPS-CS (char) Curtis Schmidt plate number and the star number assigned by Preston designation as he scanned the plates (;meta.main)
  RA1950 "h:m:s" Right ascension 1950 (pos.eq.ra;meta.main)
  DE1950 "d:m:s" Declination 1950 (pos.eq.dec;meta.main)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (
  Class (char) Spectral and apparent brightness classifications assigned by Preston (Note 1)   (src.spType)
  Vmag mag V magnitude (phot.mag;em.opt.V)
  B-V mag B-V colour index (phot.color;em.opt.B;em.opt.V)
  U-B mag U-B colour index (phot.color;em.opt.U;em.opt.B)
  o_Vmag  Number of UBV observations (meta.number)
  Names (char) Other designations (Note 2)   (
  _RA.icrs "h:m:s" (n)Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

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(n) indicates a possible blank or NULL column  
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