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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJ/687/1264
  Age estimation for solar-type dwarfs (Mamajek+, 2008)
Post annotation
img(gal)
1.J/ApJ/687/1264/table8Old solar-type dwarfs from Valenti et al. (2005, Cat. J/ApJS/159/141) with age uncertainties of <20% (23 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)
  HD  HD number (Cat. III/135) (meta.id;meta.main)
  B-V mag B-V color from Perryman et al. (HIP, 1997, Cat. I/239) (phot.color;em.opt.B;em.opt.V)
  tau Gyr Isochronal age (Note 1)   (time.age)
  logR'HK  R'HK Chromospheric activity (phot.flux;arith.ratio)
  r_logR'HK  Reference for logR'HK, in refs.dat file (meta.ref;pos.frame)
  DVMAG mag Difference between stellar absolute magnitude and that for an MS star of the same B-V color (phys.magAbs;em.opt.B)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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