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/128/1501
  CLASXS: X-ray catalog (Yang+, 2004)
ReadMe+ftp
2004AJ....128.1501Y
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/128/1501/clasxsChandra Source Catalog (tables 2 and 3 of paper) (525 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)
  CLASXS  Source identification number (Note 1)   
  CXCCLASXS (char) Source name (Note 2)   
  RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  e_RAs arcsec Statistical error in RAs
  e_DEs arcsec Statistical error in DEs
  l_Soft (char) Limit flag on Soft
  Soft aW/m2 The 0.4-2.0keV band flux (Note 3)   
  E_Soft aW/m2 (n) The upper 1σ Poisson error on Soft
  e_Soft aW/m2 (n) The lower 1σ Poisson error on Soft

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  l_Hard (char) Limit flag on Hard
  Hard aW/m2 The 2.0-8.0keV band flux (Note 3)   
  E_Hard aW/m2 (n) The upper 1σ Poisson error on Hard
  e_Hard aW/m2 (n) The lower 1σ Poisson error on Hard
  l_Full (char) Limit flag on Full
  Full aW/m2 The 0.4-8.0keV band flux (Note 3)   
  E_Full aW/m2 (n) The upper 1σ Poisson error on Full
  e_Full aW/m2 (n) The lower 1σ Poisson error on Full
  l_HR (char) Limit flag on HR
  HR  Hardness ratio (Note 4)   
  l_Nsoft (char) Limit flag on Nsoft
  Nsoft ct Net 0.4-2.0keV band counts (Note 2)   
  E_Nsoft ct (n) The upper 1σ Poisson error on Nsoft

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_Nsoft ct (n) The lower 1σ Poisson error on Nsoft
  l_Nhard (char) Limit flag on Nhard
  Nhard ct Net 2.0-8.0keV band counts (Note 2)   
  E_Nhard ct (n) The upper 1σ Poisson error on Nhard
  e_Nhard ct (n) The lower 1σ Poisson error on Nhard
  l_Nfull (char) Limit flag on Nfull
  Nfull ct Net 0.4-8.0keV band counts (Note 2)   
  E_Nfull ct (n) The upper 1σ Poisson error on Nfull
  e_Nfull ct (n) The lower 1σ Poisson error on Nfull
  Tsoft ks Effective 0.4-2.0keV band exposure time
  Thard ks Effective 2.0-8.0keV band exposure time
  Tfull ks Effective 0.4-8.0keV band exposure time
  FNum  LHNW field number where the source has the largest effective area
  Det  The LHNW field detection numbers (Note 3)   

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