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  UBV photometry in open cluster NGC 2539 (Lapasset+, 2000)
Post annotation
1.J/A+A/361/945/table1UBV photoelectric data (352 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  ID  (i) [101/675] Star number (;meta.main)
  BDA  (n) [1/318] Star number in the WEBDA database (
  Xpos pix (n) Rectangular position (Note 1)   (pos.cartesian.x;instr.det)
  Ypos pix (n) Rectangular position (Note 1)   (pos.cartesian.y;instr.det)
  Vmag mag [9.0/15.7]V magnitude (phot.mag;em.opt.V)
  o_Vmag   [1/5] Number of measurements (meta.number)
  B-V mag B-V colour index (phot.color;em.opt.B;em.opt.V)
  U-B mag (n) U-B colour index (phot.color;em.opt.U;em.opt.B)
  _RA deg (n)(i) Position computed from a comparison with 2MASS (II/246) (σ=0.78'') (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (n)(i) Position computed from a comparison with 2MASS (II/246) (σ=0.78'') (declination part) (pos.eq.dec;meta.main)

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