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/A+A/539/A74
  NGC1893 Chandra X-ray catalog (Caramazza+, 2012)
ReadMe+ftp
2012A&A...539A..74C
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/539/A74/catalogNGC1893 Chandra X-ray catalog: basic source properties (1021 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. ((unassigned);meta.version;arith.diff;phys.veloc)
  Seq  Identification number ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  Name (char) IAU Designation (HHMMSS.ss+DDMMSS.s) ((unassigned);meta.version;arith.diff;spect.line.veloc)
  RAJ2000 deg X-ray Right ascension (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  DEJ2000 deg X-ray Declination (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  e_pos arcsec Standard deviation of position ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  OffAxis arcmin Off-axis angle ((unassigned);meta.version;arith.diff;spect.line.broad.Stark)
  CTn ct Net counts extracted in the total energy band ((unassigned);meta.version;arith.diff;time.duration;(unassigned);(unassigned))
  e_CTn ct Average of the upper and lower 1 sigma errors ((unassigned);meta.version;arith.diff;time.age;meta.main)
  CTbg ct Background counts expected in the source extraction region (total band) ((unassigned);meta.version;arith.diff;meta.note;time.lifetime)
  PSFf   [0/1] Fraction of the PSF (at 1.497keV) enclosed within the extraction region ((unassigned);meta.version;arith.diff;phot.mag)
  Signi  Photometric significance computed as net counts divided by the upper error on net counts ((unassigned);meta.version;arith.diff;phys.veloc.orbital)
  PKS  (n) [0/1] Kolmogorov-Smirnov probability that the lightcurves of the sources are constant ((unassigned);meta.version;arith.diff;phys.polarization.circular;meta.main)
  t.exp ks Effective exposure time ((unassigned);meta.version;arith.diff;(unassigned);(unassigned);meta.main)
  Emed keV (n) Background-corrected median photon energy (total band) ((unassigned);meta.version;arith.diff;instr.sensitivity)
  logLX [10-7W] (n) Absorption-corrected X-ray luminosities ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))
  r_logLX (char) X-ray Luminosity origin (Note 1)   ((unassigned);meta.version;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)

ALL cols		    
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