VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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/675/464
  Chandra observations of NGC 2244 (Wang+, 2008)
ReadMe+ftp
2008ApJ...675..464W
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/675/464/catalogChandra Main and Secondary Catalog (919 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)
  Cat (char) sources from Main or Secondary catalog (meta.id)
  Seq  (i) Source Sequence number; sorted by RA (1) (Note)   (meta.id)
  CXOU (char) Source IAUC designation; HHMMSS.ss+DDMMSS.s (meta.id;meta.main)
  epos arcsec Estimated random component of position error (Note 2)   (stat.error)
  OffAng arcmin Off-axis angle (instr.offset)
  Ncts ct Estimated net 0.5-8keV band extracted counts (phot.count;em.X-ray)
  e_Ncts ct Average 1σ error in Ncts (phot.count;em.X-ray)
  Bcts ct Background 0.5-8keV band extracted counts (phot.count;em.X-ray)
  Hcts ct Estimated net 2-8keV band extracted counts (phot.count;em.X-ray)
  PSF  Fraction of PSF (at 1.497keV) within extraction region (Note 3)   (instr.det.psf;obs.field;arith.ratio)

ALL cols		    
 (i)indexed column
  Signi  Photometric significance (Note 4)   (stat.fit.goodness;phot)
  l_logPB (char) Limit flag on logPB (meta.code.error)
  logPB [-] Log probability that all 0.5-8keV counts from background (Note 5)   (stat.fit.goodness)
  Anom (char) Source anomalies (Note 6)   (meta.code)
  Var (char) Variability characterization (Note 7)   (meta.code;src.var)
  Exp ks Effective exposure time (Note 8)   (time.duration;obs.exposure)
  Emed keV Background-corrected median 0.5-8keV photon energy (em.energy)
  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)

ALL cols		    
 (i)indexed column
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usage  Display UCD1+    UCD1  
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