VizieR

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

VizieR

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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/stars(c)LAMOST (Table 2) and key results (Table 3) for the stars in our sample[timeSerie] (484 rows)
2.J/ApJ/871/193/table1X-ray information for the 484 stars in our sample (1084 rows)
3.J/ApJ/871/193/table4Stars with H{alpha} emission lines in our sample (24 rows)
4.J/ApJ/871/193/table5Stars with X-ray flares in our sample (12 rows)

Simple ConstraintList Of Constraints
 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  (1)Nx  (n)Number of X-ray measurements for this star (link to Table 1) ((unassigned);(unassigned);(unassigned);src.var)
   (ALL)CXOGSG (char) (i) Object identifier from Wang+ 2016, J/ApJS/224/40 ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  (1)Ha (char) Display the H{alpha} data for this star (link to Table 4) ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1)Xfl  (n)1: this star has X-ray flare data (link to Table 5) ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1+4)SpT (char) Spectral type subclass (Note 1)   ((unassigned);(unassigned);(unassigned);pos.posAng;meta.main)
  (1)Teff K [3586/8925] Stellar effective temperature (Note 2)   ((unassigned);(unassigned);(unassigned);em.radio)
  (1)e_Teff K [58/493] Uncertainty in Teff ((unassigned);(unassigned);(unassigned);time.age;em.radio.20-100MHz)
  (1)logg [cm/s2] [1.8/5.6] log of surface gravity (Note 2)   ((unassigned);(unassigned);(unassigned);(unassigned))
  (1)e_logg [cm/s2] [0.06/0.33] Uncertainty in logg ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (1)E(B-V) mag [0/1] Extinction (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;pos.lsr)

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

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Mbol mag [-3.1/11] Bolometric magnitude ((unassigned);(unassigned);(unassigned);pos.centroid)
  (1)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))
  (1)e_uFlux 10-15mW/m2 [0.02/1964] Uncertainty in uFlux ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)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))
  (1)e_LumX 10-7W [4.9e+25/4.7e+32] Uncertainty in LumX ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (1)logRx [-] [-6.6/-1.9] log, X-ray-to-bolometric luminosity ratio ((unassigned);(unassigned);(unassigned);(unassigned);instr.offset)
  (1)e_logRx [-] [0.09/1.2] Uncertainty in logRx ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (1)HR   [-1.2/1.4] Hardness ratio (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)
  (1)e_HR   [0.01/2.3] Uncertainty in HR ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)LC (char) Interactive Plot (if more than 4 X-ray measurements) ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)LAMOST (char) Display the LAMOST -DR1 (V/146) and -DR4 data (V/153) within 3" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)UCAC4 (char) Display the UCAC4 data (Zacharias+ 2012, I/153) within 3" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)PS1 (char) Display the PS1 data (Chambers+ 2016, II/349) within 1.5" ((unassigned);(unassigned);(unassigned);pos.geocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Simbad (char) ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)_RA deg Positions from CXOGSG names (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)_DE deg Positions from CXOGSG names (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (2+4)ObsID   [13/16543] Chandra observation identifier ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.polarization.circular;stat.median)
  (2)Det (char) Chandra ACIS detector ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (2)Exp s [128/189850] Chandra exposure time after deadtime correction ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  (2)MJD d [51439/56755] Modified Julian Date at the beginning of observation (JD-2400000.5) ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  (2)VigF   [0.008/1.1] Vignetting factor ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic)
  (2)l_CR (char) Limit flag on CR (Note 1)   ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (2)CR 10+3ct/s (n) [0.02/177] Net count rate, 0.5-7keV ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))
  (2)e_CR 10+3ct/s (n) [0.02/9.7] Lower uncertainty in CR ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)u_e_CR (char) Uncertainty flag on e_CR (Note 2)   ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (2)E_CR 10+3ct/s (n) [0.04/9.7] Upper uncertainty in CR ((unassigned);(unassigned);(unassigned);time.age;pos.phaseAng;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)l_Flux (char) Limit flag on Flux (Note 1)   ((unassigned);(unassigned);(unassigned);pos.galactic.lon;meta.abstract)
  (2)Flux 10-15mW/m2(n) [0.01/848] Absorbed X-ray flux, 0.5-7keV in 10–15erg/cm2/s units ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  (2)e_Flux 10-15mW/m2(n) [0.01/47] Lower uncertainty in Flux ((unassigned);(unassigned);(unassigned);time.age;meta.code.status)
  (2)u_e_Flux (char) Uncertainty flag on e_Flux (Note 2)   ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (2)E_Flux 10-15mW/m2(n) [0.02/47] Upper uncertainty in Flux ((unassigned);(unassigned);(unassigned);time.age;pos.phaseAng;meta.main)
  (3)EW 0.1nm [0.35/9] Equivalent Width, H{alpha} ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (3)e_EW 0.1nm [0.02/0.33] Uncertainty in EW ((unassigned);(unassigned);(unassigned);time.age;phys.atmol.number;meta.main)
  (3)EWp 0.1nm [1.9/9.7] Excess H{alpha} equivalent width over chromospheric emission ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (3)logRHa   [-4/-3.2] log, H{alpha} emission index, LH{alpha}/Lbol ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  (3)e_logRHa   [0.03/0.11] Uncertainty in logRHa ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (4)l_dT (char) [>] Limit flag on dT ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (4)dT s [4000/43000] Flare duration ((unassigned);(unassigned);(unassigned);(unassigned);meta.main)

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