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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
II/36
  UBV and uvby-beta observations of Orion OB1 Association (Warren+ 1977)
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1977ApJS...34..115W
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1.II/36/ubvUBV data (357 rows)

Simple ConstraintList Of Constraints
 
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)
  Brun  Number in Brun's catalogue (1935POLyo...1...12B) (meta.id;meta.main)
  WH  (n) Number assigned by Warren and Hesser (1977ApJS...34..115W) (meta.id)
  Vmag mag Observed visual magnitude (Note 1)   (phot.mag;em.opt.V)
  u_Vmag (char) [ :] certain nightly V are discordant (Note 2)   (meta.code.error)
  B-V mag Observed B-V (Note 3)   (phot.color;em.opt.B;em.opt.V)
  u_B-V (char) [ :] if uncertain nightly B-V (meta.code.error;phot.color;em.opt.B)
  U-B mag (n) observed U-B color (Note 4)   (phot.color;em.opt.U;em.opt.B)
  u_U-B (char) [ :] if uncertain nightly U-B; two colons if nightly U-B very uncertain. (meta.code.error;phot.color;em.opt.U)
  DATE-UBV "Y:M:D" [0-9.] Date of observation in form YY.MM.DD (e.g. 68.12.04 = 4 December 1968). (time.epoch)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA deg (i) Position from Simbad, or from Brun's charts (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position from Simbad, or from Brun's charts (declination part) (pos.eq.dec;meta.main)

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