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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJ/809/161
  X-ray obs. and membership probabilities of M37 (Nunez+, 2015)
Post annotation
img(gal)
1.J/ApJ/809/161/table3Chandra catalog: basic source properties (774 rows)

 
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)
  Seq   [1/1018] X-ray catalog XID sequence number (meta.id)
  CXOU (char) IAU designation (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  RAJ2000 deg (i) Right ascension of X-ray source (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination of X-ray source (J2000) (pos.eq.dec;meta.main)
  e_Pos arcsec [0.1/19] 80% confidence level X-ray positional uncertainty (stat.error)
  theta arcmin [0.3/18] Off-axis angle of X-ray source (instr.offset)
  Fcts ct [2/5020] Net source counts in the 0.5-7keV band (ct-f) (phot.count;em.X-ray)
  E_Fcts ct 1-sigma upper bound of ct-f (stat.error;stat.max)
  e_Fcts ct 1-sigma lower bound of ct-f (stat.error)
  Scts ct [-2/3171] Net source counts in the 0.5-2keV band (ct-s) (phot.count;em.X-ray)

ALL cols
    
 (i)indexed column
  E_Scts ct 1-sigma upper bound of ct-s (stat.error;stat.max)
  e_Scts ct (n) 1-sigma lower bound of ct-s (stat.error)
  Hcts ct [-8/1899] Net source counts in the 2-7keV band (ct-h) (phot.count;em.X-ray)
  E_Hcts ct 1-sigma upper bound of ct-h (stat.error;stat.max)
  e_Hcts ct (n) 1-sigma lower bound of ct-h (stat.error)
  F0.5-7 mW/m2 Absorbed energy flux in the 0.5-7 keV band (phot.flux;em.X-ray)
  F0.5-2 mW/m2 (n) Absorbed energy flux in the 0.5-2 keV band (phot.flux;em.X-ray)
  F2-7 mW/m2 (n) Absorbed energy flux in the 2-7 keV band (phot.flux;em.X-ray)
  Emed keV [0.7/6.4] Median photon energy in the 0.5-7keV band (em.energy)
  PSFf  Fraction of the PSF enclosed within extraction region (instr.det.psf)
  LX 10-7W (n) X-ray luminosity in the 0.1-2.4 keV band (phys.luminosity;em.X-ray)
  e_LX 10-7W (n) standard deviation of LX (stat.error)
  logP [-] [0/0.005] Logarithmic probability P that extracted X-ray counts are solely from background (stat.fit.goodness)
  SNR   [0.7/63.3] ct-f divided by E_ct-f (stat.snr)
  A (char) Source anomalies (Note 1)   (meta.code)
  Var (char) Variability based on K-S statistic (Note 2)   (meta.code;src.var)
  OID (char) ID of optical match from Hartman+, 2008, J/ApJ/675/1233 (meta.id.cross)
  RAOdeg deg (n) Right Ascension of optical match (J2000) (pos.eq.ra)
  DEOdeg deg (n) Declination of optical match (J2000) (pos.eq.dec)
  X-O arcsec (n) [0.02/7.3] Offset between X-ray source and optical match (pos.angDistance)
  Note (char) Additional notes (Note 3)   (meta.note)

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