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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/A+A/543/A101
  OB stars in Cygnus OB2 association (Comeron+, 2012)
Post annotation
img(gal)
1.J/A+A/543/A101/OBstars(c)Known and new spectroscopically classified O and B stars in the region with physical parameters (tables 1, 3 and 7 of the paper) (179 rows)
2.J/A+A/543/A101/table2(c)Stars with previous classification reobserved by us (17 rows)
3.J/A+A/543/A101/table4(c)Other candidate O and B stars without spectral classification (61 rows)
4.J/A+A/543/A101/table5(c)Later-type stars (20 rows)
5.J/A+A/543/A101/table6(c)O and B stars from Massey & Thompson (1991, Cat. J/AJ/101/1408) not selected by our criterion (10 rows)
6.J/A+A/543/A101/refsReferences (17 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1+2+3+4)Name (char) (i) Object name (Note 1)   (meta.id;meta.main)
  (1+3+4)n_Name (char) Individual note (Note 2)   (meta.note)
  (1)o (char) o indicates a star reobserved by us (in table2) (meta.ref.url)
  (1+3+4+5)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1+3+4+5)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1+3+4)Bmag mag USNO-B1.0 B magnitude (phot.mag;em.opt.B)
  (1+3+4)Jmag mag 2MASS J magnitude (phot.mag;em.IR.J)
  (1+3+4)Hmag mag 2MASS H magnitude (phot.mag;em.IR.H)
  (1+3+4)Ksmag mag 2MASS Ks magnitude (phot.mag;em.IR.K)
  (1+2+3+4+5)SpType (char) MK spectral type (only in table1) (src.spType)

ALL cols
    
 (i)indexed column
   (1+3+4)r_SpType  (n) Reference for spectral type, in refs.dat file (meta.ref;pos.frame)
  (1)Field (char) Field (Cygnus OB2, Cygnus OB9 or Field) (meta.id;obs.field)
  (1)st (char) [KN] Status: Known or New star (meta.note)
  (1)AV mag (n)Absorption in V band (phot.mag;em.opt.V)
  (1)Teff K (n)Effective temperature (phys.temperature.effective)
  (1)VMAG mag (n)Absolute V magnitude (phys.magAbs;em.opt.V)
  (1)Mass Msun (n)Mass (phys.mass)
  (1)Age Myr (n)Age (time.age)
  (1+2+3+4)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (2)SpTypep (char) Published MK classification (meta.code.class;src.class)
  (2)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (2)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (5)[MT91]  Identification number in Massey & Thompson (1991, Cat. J/AJ/101/1408) (meta.id;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (5)Simbad (char) ask the Simbad data-base about this object (meta.ref)
  (6)Ref  Reference number (meta.id;meta.main)
  (6)BibCode (char) BibCode (meta.bib.bibcode)
  (6)Aut (char) Author's name (meta.bib.author)
  (6)Com (char) Comments (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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