VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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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/AJ/137/3210
  Chandra observations of h Persei (Currie+, 2009)
ReadMe+ftp
2009AJ....137.3210C
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/137/3210/table1(c)Chandra/ACIS Detections (330 rows)
2.J/AJ/137/3210/table2(c)Catalog of Chandra sources with optical counterparts (165 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)O (char) O indicates an optical counterpart in table2 (meta.ref.url)
   (ALL)ID  (i) Source identification number (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
   (ALL)RCts ct Raw counts in 95% encircled energy radius (phot.count;em.X-ray)
   (ALL)NCts ct Net counts in 95% encircled energy radius (phot.count;em.X-ray)
  (1)HR1  (n) First hardness ratio (Note 1)   (phot.flux;arith.ratio)
  (1)HR2  (n) Second hardness ratio (Note 1)   (phot.flux;arith.ratio)
  (1)HR3  (n) Third hardness ratio (Note 1)   (phot.flux;arith.ratio)
  (1)NH 10+22/cm2(n) Hydrogen column density (Note 2)   (phys.columnDensity)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)kT keV (n) X-ray temperature from Sherpa (V3.4) (phys.temperature)
  (1)e_kT keV (n) The 1σ error in kT (stat.error;phys.energy)
  (1)Funabs mW/m2 (n) Sherpa unabsorbed X-ray flux (erg/s/cm2) (phot.flux;em.X-ray)
  (1)Fabs mW/m2 (n) Sherpa absorbed X-ray flux (phot.flux;em.X-ray)
  (1)chi2  (n) Reduced χ2 of Sherpa fit (stat.fit.param;meta.modelled)
  (2)logLX [10-7W] (n) Log of X-ray luminosity in erg/s (phys.luminosity;em.X-ray)
  (2)SpType  (n) (or 101.99) Spectral type (Note 1)   (src.spType)
  (2)e_SpType  (n) (or 99.99) The 1σ error in SpType (stat.error;src.spType)
  (2)Jmag mag (n) 2MASS J band magnitude (phot.mag;em.IR.J)
  (2)Hmag mag (n) 2MASS H band magnitude (phot.mag;em.IR.H)
  (2)Ksmag mag (n) 2MASS Ks band magnitude (phot.mag;em.IR.K)
  (2)[3.6] mag (n) Spitzer/IRAC 3.6 micron band magnitude (phot.mag;em.IR.3-4um)
  (2)[4.5] mag (n) Spitzer/IRAC 4.5 micron band magnitude (phot.mag;em.IR.4-8um)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)[5.8] mag (n) Spitzer/IRAC 5.8 micron band magnitude (phot.flux.density;em.IR.4-8um)
  (2)[8.0] mag (n) Spitzer/IRAC 8.0 micron band magnitude (phot.flux.density;em.IR.8-15um)
  (2)Vmag mag The V band magnitude (phot.mag;em.opt.V)
  (2)e_Vmag mag The 1σ error in Vmag (stat.error;phot.mag;em.opt.V)
  (2)Imag mag The I band magnitude (phot.mag;em.opt.I)
  (2)e_Imag mag The 1σ error in Imag (stat.error;phot.mag;em.opt.I)

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