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J/AJ/101/1408
 Massive stars in Cyg OB2. (Massey+ 1991)
Post annotation
img(gal)
1.J/AJ/101/1408/mt91Observations in Cyg OB2 (tables 2,5,6) (801 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)
  MT91  (n) [1/799] Star identification (Note 1)   (meta.id)
  RAJ2000 "h:m:s" Right Ascension J2000 (hours) (Note 2)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Declination J2000 (sign) (Note 2)   (pos.eq.dec;meta.main)
  Vmag mag (n) V magnitude (phot.mag;em.opt.V)
  U-B mag (n) U-B colour derived from B-V (phot.color;em.opt.U;em.opt.B)
  u_U-B (char) [:?] Uncertainty flag on U-B (Note 3)   (meta.code.error)
  B-V mag (n) B-V colour (phot.color;em.opt.B;em.opt.V)
  u_B-V (char) [:?] Uncertainty flag on B-V (Note 3)   (meta.code.error)
  SpType (char) MK Spectral type (Note 4)   (src.spType)
  Rem (char) Remarks (Note 5)   (meta.note)

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