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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/ApJS/224/40
  Catalog of Chandra ACIS point like sources (Wang+, 2016)
Post annotation
img(gal)
1.J/ApJS/224/40/table5(c)Independent X-ray sources and their average properties in multiple observations (218789 rows)
2.J/ApJS/224/40/counts(c)Detected X-ray point sources in the Chandra ACIS survey and counts in different bands (tables 3 and 4) (766496 rows)
3.J/ApJS/224/40/galList of galaxy names in table 5; table added by CDS (1260 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)Class (char) Source identification (Note 5)   (src.class)
   (1+2)CXOGSG (char) (i) Source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
  (1)_DE deg (i) Positions from CXOGSG names (declination part) (pos.eq.dec;meta.main)
  (1)Dist Mpc [-0.2/303.5] Distance in Mpc for the X-ray source (pos.distance;pos.heliocentric)
  (1)e_Fmax/Fmin  (n) Lower uncertainty on Fmax/Fmin (stat.error)
  (1)E_Fmax/Fmin  (n) [0.009/5200] Upper uncertainty on Fmax/Fmin (stat.error;stat.max)
  (1)ePos arcsec (n) [1/36] Statistical positional error after Kim et al. (2007, J/ApJS/169/401) (stat.error)
  (1)f_CXOGSG (char) [*] Projected overlapping galaxies flag (Note 1)   (meta.code)
  (1)Flux (char) mW/m2 Average flux among detections, erg/cm2/s (phot.flux;em.X-ray)
  (1)Fmax/Fmin   [1/303734] Fmax/Fmin ratio (Note 2)   (phot.flux;arith.ratio)
  (1)GName (char) Galaxy source names numbered sequentially based on maximum detection significance (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+2)Group   [1/4953] Group Number (meta.id)
  (1)Lum (char) 10-7W Maximum luminosity among detections, erg/s (phys.luminosity)
  (1)MaxCts ct (n) [0.05/136146] Maximum photon counts among the detections (phot.count;em.X-ray)
  (1)Nobs  (n)Number of observations for this source (meta.number)
  (1)O/D (char) Observed/Detected statistics (src.var.index)
  (1)Phases (char) Statistics for SSS/QSS/hard/dim phases (Note 3)   (meta.note)
  (1)_RA deg (i) Positions from CXOGSG names (right ascension part) (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Sep arcmin (n) [0.002/641] Galaxy source nuclear separation (pos.angDistance)
  (1)SepR  (n) [0/3] Galaxy source nuclear separation in units of the galaxy's elliptical radius (pos.angDistance)
  (1)Sig  (n) [0.01/1997] Maximum detection significance (stat.fit.goodness;instr.saturation;stat.max)
  (1)VarKS (char) Statistics for variability during individual observations using the K-S criterion (Note 4)   (meta.note)
  (2)bkgd ct (n) Background counts within the source region (instr.background;obs.field)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)CHM  (n) [-7911/269] X-ray color CHM=(H-M)/(H+M+S) (Note 7)   (phot.count;arith.ratio)
  (2)CMS  (n) [-742/241] X-ray color CMS=(M-S)/(H+M+S) (Note 7)   (phot.count;arith.ratio)
  (2)Ct(0.1-0.5) ct (n) Source net counts, 0.1-0.5keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.1-0.8) ct (n) Source net counts, 0.1-0.8 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.1-1.1) ct (n) Source net counts, 0.1-1.1 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.1-8) ct (n) Source net counts, 0.1-8 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.3-0.5) ct (n) [-265/11865] Source net counts, 0.3-0.5keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.3-0.8) ct (n) Source net counts, 0.3-0.8 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.3-1) ct (n) Source net counts, 0.3-1 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.3-1.1) ct (n) Source net counts, 0.3-1.1 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.3-8) ct (n) Source net counts, 0.3-8 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.5-2) ct (n) Source net counts, 0.5-2 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(0.5-2.4) ct (n) Source net counts, 0.5-2.4 keV (Note 3)   (phot.count;em.X-ray)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Ct(0.8-2) ct (n) Source net counts, 0.8-2 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(1.1-2) ct (n) Source net counts, 1.1-2 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(1-2) ct (n) Source net counts, 1-2 keV (Note 3)   (phot.count;em.X-ray)
  (2)Ct(2-8) ct (n) Source net counts, 2-8 keV (Note 3)   (phot.count;em.X-ray)
  (2)Cts ct (n) [0.1/136000] Background-subtracted photon counts (Note 6)   (phot.count;em.X-ray)
  (2)Dedge pix (n) Distance from the source center to the nearest chip edge. (pos.angDistance)
  (2)DEJ2000 deg (n)(i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  (2)Det (char) Source name in individual observations (Note G1)   (meta.id;obs)
  (2)e_CHM  (n) [0/1] Uncertainty in CHM (stat.error)
  (2)e_CMS  (n) [0/1] Uncertainty in CMS (stat.error)
  (2)e_Ct(0.1-0.5) ct (n) Uncertainty in Ct(0.1-0.5) (Note 3)   (stat.error)
  (2)e_Ct(0.1-0.8) ct (n) Uncertainty in Ct(0.1-0.8) (Note 3)   (stat.error)
  (2)e_Ct(0.1-1.1) ct (n) Uncertainty in Ct(0.1-1.1) (Note 3)   (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)e_Ct(0.1-8) ct (n) Uncertainty in Ct(0.1-8) (Note 3)   (stat.error)
  (2)e_Ct(0.3-0.5) ct (n) [1/113] Uncertainty in Ct(0.3-0.5) (Note 3)   (stat.error)
  (2)e_Ct(0.3-0.8) ct (n) Uncertainty in Ct(0.3-0.8) (Note 3)   (stat.error)
  (2)e_Ct(0.3-1) ct (n) Uncertainty in Ct(0.3-1) (Note 3)   (stat.error)
  (2)e_Ct(0.3-1.1) ct (n) Uncertainty in Ct(0.3-1.1) (Note 3)   (stat.error)
  (2)e_Ct(0.3-8) ct (n) Uncertainty in Ct(0.3-8) (Note 3)   (stat.error)
  (2)e_Ct(0.5-2) ct (n) Uncertainty in Ct(0.5-2) (Note 3)   (stat.error)
  (2)e_Ct(0.5-2.4) ct (n) Uncertainty in Ct(0.5-2.4) (Note 3)   (stat.error)
  (2)e_Ct(0.8-2) ct (n) Uncertainty in Ct(0.8-2) (Note 3)   (stat.error)
  (2)e_Ct(1.1-2) ct (n) Uncertainty in Ct(1.1-2) (Note 3)   (stat.error)
  (2)e_Ct(1-2) ct (n) Uncertainty in Ct(1-2) (Note 3)   (stat.error)
  (2)e_Ct(2-8) ct (n) Uncertainty in Ct(2-8) (Note 3)   (stat.error)
  (2)e_Cts ct (n) [1/3306] Uncertainty in Cts (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)e_DEJ2000 arcsec (n) [0/3] Statistical positional error, Declination (stat.error;pos.eq.dec)
  (2)e_RAJ2000 arcsec (n) [0/87] Statistical positional error, Right Ascension (stat.error;pos.eq.ra)
  (2)Exp s (n) [58/192363] Source exposure time after deadtime correction (time.duration;obs.exposure)
  (2)FX (char) Source flux (Note 8)   (phot.flux;em.X-ray)
  (2)MJD d (n) Modified Julian Date for the beginning point of the observation (time.epoch)
  (2)Nae  (n) [2/13] Number of possible afterglow events for sources with total events less than 100 (meta.number)
  (2)OAA arcsec Off-axis angle, arcseconds (instr.offset)
  (2)PK-S (char) K-S probability that a source is constant during an observation (stat.fit.goodness;src.var)
  (2)PosErr arcsec (n) [1/36] Source positional uncertainties (Note 4)   (pos)
  (2)RAJ2000 deg (n)(i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  (2)sig  (n) [-354/1997] Detection significance (Note 5)   (stat.likelihood;obs)
  (2)sig/PFFT (char) Period significance and the most possible period (in second) from FFT algorithm (stat.fit.goodness)
  (2)Split  (n) Split fraction (Note G2)   (stat.fit.param)
  (2)SQH (char) Phase classification for the source (Note 9)   (src.class)
  (2)VigF  (n) [0.001/1.3] Vignetting factor (Note 3)   (stat.fit.omc)
  (3)Gal (char) Galaxy name (meta.id;meta.main)
  (3)NED (char) ask the NED data-base about this object (meta.ref.url)
  (3)Nx  Number of sources for this galaxy in table 5; column added by CDS (meta.number)
  (3)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)

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