VizieR

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

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/902/114
  Stellar X-ray activity. I. Chandra, Gaia & GALEX (Wang+, 2020)
ReadMe+ftp
2020ApJ...902..114W
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/902/114/table2Main properties for the stars in our sample (5906 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)
  Nc  (n)Number of Chandra observations for this source (link to Table 1) (meta.number)
  CXOGSG (char) (i) Object identifier (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
  UV  (n)Display the GALEX ultraviolet data for this source (link to Table 4) (meta.ref.url)
  RAJ2000 deg (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-31.6/82.5] Declination (J2000) (pos.eq.dec;meta.main)
  Class (char) Stellar classification ("g"= giant, 697 occurrences; d=dwarf; y=YSO; See Section 2.3) (src.spType)
  Dist pc [19/10520] Gaia DR2 distance (pos.distance;pos.heliocentric)
  E_Dist pc [0/4337] Upper uncertainty in Dist (stat.error;stat.max)
  e_Dist pc [0/2644] Lower uncertainty in Dist (stat.error)
  E(B-V) mag [0/3.6] The (B-V) color excess from PS1 3D map (phot.color.excess)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Fx 10-15mW/m2 [0.2/14360] Average unabsorbed 0.3-8keV flux (in units of 10–15erg/s/cm2) (phot.flux;em.X-ray)
  e_Fx 10-15mW/m2 [0.1/1266] Uncertainty in Fx (stat.error)
  Lx 10-7W [3.8e+26/3.8e+33] The 0.3-8keV luminosity; erg/s (phys.luminosity;em.X-ray)
  e_Lx 10-7W [1e+26/1e+33] Uncertainty in Lx (stat.error)
  logRx [-] [-8.1/-0.9] log X-ray to bolometric luminosity ratio (phys.luminosity;arith.ratio)
  e_logRx [-] [0/0.6] Uncertainty in logRx (stat.error)
  HR1  (n) [-0.99/1] Hardness ratio, HR1=(M-S)/(M+S) (Note 1)   (phot.flux;arith.ratio)
  e_HR1  (n) [0/3.1] Uncertainty in HR1 (stat.error)
  HR2  (n) [-1/0.99] Hardness ratio, HR2=(H-M)/(H+M) (Note 2)   (phot.flux;arith.ratio)
  e_HR2  (n) [0/5.2] Uncertainty in HR2 (stat.error)
  Gaia  Display the Gaia DR2 distances from Bailer-Jones+, 2018, I/347 within 3" (meta.ref.url)

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