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/catalog(c)NGC1893 Chandra X-ray catalog: basic source properties (1021 rows)
2.J/A+A/539/A74/uplimit(c)Upper limit to the X-ray luminosities for NGC1893 X-ray undetected members (158 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  (1)Seq  Identification number ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1)Name (char) IAU Designation (HHMMSS.ss+DDMMSS.s) ((unassigned);(unassigned);(unassigned);spect.line.veloc)
   (ALL)RAJ2000 deg X-ray Right ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)DEJ2000 deg X-ray Declination (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)e_pos arcsec Standard deviation of position ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)OffAxis arcmin Off-axis angle ((unassigned);(unassigned);(unassigned);spect.line.broad.Stark)
  (1)CTn ct Net counts extracted in the total energy band ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))
  (1)e_CTn ct Average of the upper and lower 1 sigma errors ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)CTbg ct Background counts expected in the source extraction region (total band) ((unassigned);(unassigned);(unassigned);meta.note;time.lifetime)
  (1)PSFf   [0/1] Fraction of the PSF (at 1.497keV) enclosed within the extraction region ((unassigned);(unassigned);(unassigned);phot.mag)

ALL cols		    
 (i)indexed column
  (1)Signi  Photometric significance computed as net counts divided by the upper error on net counts ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  (1)PKS  (n) [0/1] Kolmogorov-Smirnov probability that the lightcurves of the sources are constant ((unassigned);phys.veloc.orbital;arith.diff;phys.polarization.circular;meta.main)
  (1)t.exp ks Effective exposure time ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  (1)Emed keV (n) Background-corrected median photon energy (total band) ((unassigned);(unassigned);(unassigned);instr.sensitivity)
  (1)logLX [10-7W] (n) Absorption-corrected X-ray luminosities ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))
  (1)r_logLX (char) X-ray Luminosity origin (Note 1)   ((unassigned);pos.wcs.naxis;arith.grad;phys.veloc.dispersion;?)
  (2)ID  Prisinzano et al. (2011, Cat. J/A+A/527/A77) identification number ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;?)
  (2)logTX [10-7W] Estimated upper limit to the absorption-corrected X-ray luminosities ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 2