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/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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  Nx  (n)Number of X-ray measurements for this star (link to Table 1) ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  CXOGSG (char) (i) Object identifier from Wang+ 2016, J/ApJS/224/40 ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  Ha (char) Display the H{alpha} data for this star (link to Table 4) ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Xfl  (n)1: this star has X-ray flare data (link to Table 5) ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  SpT (char) Spectral type subclass (Note 1)   ((unassigned);(unassigned);(unassigned);pos.posAng;meta.main)
  Teff K [3586/8925] Stellar effective temperature (Note 2)   ((unassigned);(unassigned);(unassigned);em.radio)
  e_Teff K [58/493] Uncertainty in Teff ((unassigned);phys.veloc.orbital;arith.diff;time.age;em.radio.20-100MHz)
  logg [cm/s2] [1.8/5.6] log of surface gravity (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  e_logg [cm/s2] [0.06/0.33] Uncertainty in logg ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  E(B-V) mag [0/1] Extinction (Note 2)   ((unassigned);(unassigned);(unassigned);pos.lsr)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  [Fe/H] [-] (n) [-1.8/0.71] Metallicity (Note 2)   ((unassigned);(unassigned);(unassigned);pos.emergenceAng)
  e_[Fe/H] [-] (n) [0.06/0.41] Uncertainty in [Fe/H] (time.equinox;(unassigned);arith.factor;time.age;phys.reflectance.bidirectional)
  [alpha/Fe] [-] (n) [-0.39/0.5] alpha element abundance relative to Fe (Note 2)   (phot.color;phys.size.radius;arith.grad;phys.polarization.stokes.Q)
  e_[alpha/Fe] [-] (n) [0.03/0.15] Uncertainty in [alpha/Fe] ((unassigned);phys.veloc.orbital;arith.diff;time.age;phys.polarization.stokes.U)
  Dist pc [21/5604] Distance (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;em.UV.10-50nm)
  e_Dist pc [2/1399] Uncertainty in Dist ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Age Gyr (n) [0.36/16] Stellar Age (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;meta.main)
  e_Age Gyr (n) [0.12/4.3] Uncertainty in Age ((unassigned);(unassigned);stat.min;time.age;stat.probability;meta.main)
  Mass Msun (n) [0.85/2.71] Stellar Mass (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  e_Mass Msun (n) [0.04/0.41] Uncertainty in Mass ((unassigned);(unassigned);(unassigned);time.age;(unassigned))
  Vmag mag [8.6/17.3] Extinction-corrected V-band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  e_Vmag mag [0.09/1] Uncertainity on Vmag ((unassigned);stat.covariance;arith.diff;time.age;stat.probability)
  r_Vmag (char) Source of V-band magnitude (Note 5)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Mbol mag [-3.1/11] Bolometric magnitude ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid)
  uFlux 10-15mW/m2 [0.02/10072] Unabsorbed 0.3-8keV X-ray flux in 10–15erg/cm2/s units ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  e_uFlux 10-15mW/m2 [0.02/1964] Uncertainty in uFlux ((unassigned);instr.det.qe;(unassigned);time.age;meta.main)
  LumX 10-7W [4.5e+25/7.5e+32] 0.3-8keV X-ray luminosity in erg/s units ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);(unassigned))
  e_LumX 10-7W [4.9e+25/4.7e+32] Uncertainty in LumX ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  logRx [-] [-6.6/-1.9] log, X-ray-to-bolometric luminosity ratio ((unassigned);(unassigned);(unassigned);(unassigned);instr.offset)
  e_logRx [-] [0.09/1.2] Uncertainty in logRx (instr.tel;em.radio.400-750MHz;arith.factor;time.age;meta.main)
  HR   [-1.2/1.4] Hardness ratio (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)
  e_HR   [0.01/2.3] Uncertainty in HR ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  LC  Interactive Plot (if more than 4 X-ray measurements) ((unassigned);(unassigned);(unassigned);pos.geocentric)
timeSerie
  LAMOST  Display the LAMOST -DR1 (V/146) and -DR4 data (V/153) within 3" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  UCAC4  Display the UCAC4 data (Zacharias+ 2012, I/153) within 3" ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  PS1  Display the PS1 data (Chambers+ 2016, II/349) within 1.5" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  _RA deg Positions from CXOGSG names (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  _DE deg Positions from CXOGSG names (declination part) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)

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