VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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

  
J/ApJ/687/1264
  Age estimation for solar-type dwarfs (Mamajek+, 2008)
ReadMe+ftp
2008ApJ...687.1264M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/687/1264/table13Activity ages for the solar-type dwarfs within 16pc (103 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)
  HD  HD number (Cat. III/135) (meta.id;meta.main)
  HIP  HIP number (Cat. I/311) (meta.id)
  GJ (char) Nearby Star Catalog designation (Cat. V/70) (meta.id)
  OName (char) Other name (meta.id)
  plx mas Parallax (pos.parallax.trig)
  e_plx mas rms uncertainty on plx (stat.error;pos.parallax)
  B-V mag B-V colour index (phot.color;em.opt.B;em.opt.V)
  r_B-V  Reference for B-V, in refs.dat file (meta.ref;phot.color;em.opt.B)
  logR'HK  R'HK index (phot.flux;arith.ratio)
  r_logR'HK  Reference for logR'HK, in refs.dat file (meta.ref;pos.frame)

ALL cols		    
 (i)indexed column
  Vmag mag V magnitude (phot.mag;em.opt.V)
  VMAG mag Absolute V magnitude (phys.magAbs;em.opt.V)
  DVMAG mag Difference between stellar absolute magnitude and that for an MS star of the same B-V color (phys.magAbs;em.opt.B)
  SpType (char) MK spectral type (src.spType)
  r_SpType  Reference for SpType, in refs.dat file (meta.ref;pos.frame)
  l_tau1 (char) Limit flag on tau1 (meta.code.error)
  tau1 Gyr Age from using the revised activity-age relation (time.age)
  l_tau2 (char) Limit flag on tau2 (meta.code.error)
  tau2 Gyr Age inferred from converting the chromospheric activity levels to a rotation period via the Rossby number and then converting the rotation period to an age using the revised gyro relation (time.age)
  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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