VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN 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:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJ/871/193
  A combined Chandra & LAMOST study of stellar activity (He+, 2019)
ReadMe+ftp
2019ApJ...871..193H
Similar Catalogs
timeSerie
Post annotation 		img(gal)
1.J/ApJ/871/193/starsLAMOST (Table 2) and key results (Table 3) for the stars in our sample[timeSerie] (484 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)
  Nx  (n)Number of X-ray measurements for this star (link to Table 1) (meta.number)
  CXOGSG (char) (i) Object identifier from Wang+ 2016, J/ApJS/224/40 (meta.id;meta.main)
  Ha (char) Display the Hα data for this star (link to Table 4) (meta.ref.url)
  Xfl  (n)1: this star has X-ray flare data (link to Table 5) (meta.ref.url)
  SpT (char) Spectral type subclass (Note 1)   (src.spType)
  Teff K [3586/8925] Stellar effective temperature (Note 2)   (phys.temperature.effective)
  e_Teff K [58/493] Uncertainty in Teff (stat.error;phys.temperature.effective)
  logg [cm/s2] [1.8/5.6] log of surface gravity (Note 2)   (phys.gravity)
  e_logg [cm/s2] [0.06/0.33] Uncertainty in logg (stat.error)
  E(B-V) mag [0/1] Extinction (Note 2)   (phot.color.excess)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  [Fe/H] [-] (n) [-1.8/0.71] Metallicity (Note 2)   (phys.abund.Z)
  e_[Fe/H] [-] (n) [0.06/0.41] Uncertainty in [Fe/H] (stat.error;phys.abund.Fe)
  [alpha/Fe] [-] (n) [-0.39/0.5] alpha element abundance relative to Fe (Note 2)   (phys.abund)
  e_[alpha/Fe] [-] (n) [0.03/0.15] Uncertainty in [alpha/Fe] (stat.error;phys.abund)
  Dist pc [21/5604] Distance (Note 2)   (pos.distance)
  e_Dist pc [2/1399] Uncertainty in Dist (stat.error)
  Age Gyr (n) [0.36/16] Stellar Age (Note 3)   (time.age)
  e_Age Gyr (n) [0.12/4.3] Uncertainty in Age (stat.error;time.age)
  Mass Msun (n) [0.85/2.71] Stellar Mass (Note 3)   (phys.mass)
  e_Mass Msun (n) [0.04/0.41] Uncertainty in Mass (stat.error;phys.mass)
  Vmag mag [8.6/17.3] Extinction-corrected V-band magnitude (phot.mag;em.opt.V)
  e_Vmag mag [0.09/1] Uncertainity on Vmag (stat.error;phot.mag)
  r_Vmag (char) Source of V-band magnitude (Note 5)   (meta.ref;pos.frame)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Mbol mag [-3.1/11] Bolometric magnitude (phot.mag.bol)
  uFlux 10-15mW/m2 [0.02/10072] Unabsorbed 0.3-8keV X-ray flux in 10–15erg/cm2/s units (phot.flux;em.X-ray)
  e_uFlux 10-15mW/m2 [0.02/1964] Uncertainty in uFlux (stat.error)
  LumX 10-7W [4.5e+25/7.5e+32] 0.3-8keV X-ray luminosity in erg/s units (phys.luminosity;em.X-ray)
  e_LumX 10-7W [4.9e+25/4.7e+32] Uncertainty in LumX (stat.error)
  logRx [-] [-6.6/-1.9] log, X-ray-to-bolometric luminosity ratio (phys.luminosity;arith.ratio)
  e_logRx [-] [0.09/1.2] Uncertainty in logRx (stat.error)
  HR   [-1.2/1.4] Hardness ratio (Note 4)   (phot.flux;arith.ratio)
  e_HR   [0.01/2.3] Uncertainty in HR (stat.error)
  LC  Interactive Plot (if more than 4 X-ray measurements) (meta.ref.url)
timeSerie
  LAMOST  Display the LAMOST -DR1 (V/146) and -DR4 data (V/153) within 3" (meta.ref.url)
  UCAC4  Display the UCAC4 data (Zacharias+ 2012, I/153) within 3" (meta.ref.url)
  PS1  Display the PS1 data (Chambers+ 2016, II/349) within 1.5" (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA deg (i) Positions from CXOGSG names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from CXOGSG names (declination part) (pos.eq.dec;meta.main)

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