VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

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J/ApJ/699/649
  Young M dwarfs within 25pc. I. (Shkolnik+, 2009)
Post annotation
img(gal)
1.J/ApJ/699/649/starsObserved M dwarfs (table 1) and their quantities and stellar ages (table 2) (155 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)
  Name (char) Name (Note 1)   (meta.id;meta.main)
  f_Name (char) [j] low-resolution spectrum (Note 2)   (meta.code)
  Tel (char) Telescope (CFHT or Keck) (Note 3)   (meta.id;instr.tel)
  SpT  Spectral type (±0.5) (Note 3)   (src.spType)
  f_SpT (char) [eh] poor S/N or seeing (Note 4)   (meta.code)
  l_Dist (char) [∼ ] Limit flag on Dist (meta.code.error)
  Dist pc (n) Distance (Note 5)   (pos.distance;pos.heliocentric)
  e_Dist pc (n) Distance uncertainty (stat.error)
  n_Dist (char) [gkl] oeigin of the distance (Note 6)   (meta.note)
  Imag mag (n) USNO I-band magnitude (phot.mag;em.opt.I)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  Jmag mag 2MASS Johnson J-band magnitude (phot.mag;em.IR.J)
  [Fx/Fj] [-] (n) ROSAT fractional X-ray flux (log scale) (Note 7)   (phot.flux;em.X-ray)
  Bin (char) Remarks about binarity (Note 8)   (meta.note)
  f_Bin (char) [f] questionable binarity (Note 9)   (meta.code)
  2M  Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  CaHw  (n) Surface gravity-sensitive indice CaH wide (Note 10)   (spect.index)
  CaHn  (n) Surface gravity-sensitive indice CaH narrow (Note 10)   (spect.index)
  W(K) 0.1nm KI equivalent width (Note 11)   (spect.line.eqWidth)
  W(Ha) 0.1nm Hα equivalent width (Note 11)   (spect.line.eqWidth;em.line.Halpha)
  Youth (char) Youth index (Note 12)   (meta.code)
  Notes (char) Youth indicator from literature (meta.note)
  l_Age (char) [d>≲ ] Limit flag on Age (Note 14)   (meta.code.error;time.age)
  Age Myr Estimated age (Note 13)   (time.age)
  Age.u Myr (n) Estimated age, upper limit (Note 13)   (time.age;stat.max)
  RAJ2000 "h:m:s" (i) 2MASS hour of right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) 2MASS degree of declination (J2000) (pos.eq.dec;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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