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J/ApJS/123/639
 UBV photometry of metal-weak candidates (Norris+, 1999)
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1.J/ApJS/123/639/ubvUBV photometry for metal-weak candidates (tables 2 and 3 of paper) (2635 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)
  T (char) Table number: 2, and 3 for less accurate UBV photometry (meta.id;meta.main)
  BPS (char) BPS star designation (meta.id)
  n_BPS (char) [*] when identifications in file table4.dat (meta.note)
  RA1950 "h:m:s" Right ascension (1950.0) (pos.eq.ra;meta.main)
  DE1950 "d:m:s" Declination sign (1950.0) (pos.eq.dec;meta.main)
  Vmag mag Johnson V magnitude (phot.mag;em.opt.V)
  B-V mag Johnson B-V colour index (phot.color;em.opt.B;em.opt.V)
  U-B mag (n) Johnson U-B colour index (phot.color;em.opt.U;em.opt.B)
  Nv  (n) Number of V and B-V measures (meta.number)
  Nu  Number of U-B determinations (meta.number)
  Note (char) [*] Stars for which we have obtained medium- resolution spectroscopy and which form the basis of the work of Norris et al. (1999, AJ, in prep.) (meta.note)
  Simbad  ask the Simbad data-base about this object (meta.ref)
  _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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