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/ApJ/695/1094
  Chandra observations of NGC 4636 (Posson-Brown+, 2009)
Post annotation
img(gal)
1.J/ApJ/695/1094/table2Summary of X-ray point sources detected in NGC 4636 (277 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)
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  Nct ct Net 0.5-2keV band counts (phot.count;em.X-ray)
  Lum 10-7W The 0.5-2keV band luminosity in erg/s (phys.luminosity;em.X-ray)
  HR1  Soft color (Note 1)   (phot.flux;arith.ratio)
  HR2  Hard Color (Note 2)   (phot.flux;arith.ratio)
  Dist arcmin Distance of source from center (pos.angDistance)
  Inst   [1/3] Instrument code (Note 3)   (meta.code;instr)
  Var (char) Variability code (Note 4)   (meta.code;src.var)
  GC  (n) GC number in table 3 (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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Rules of usage of VizieR data

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