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/490/641
  X-ray sources toward NGC 2808 (Servillat+, 2008)
ReadMe+ftp
2008A&A...490..641S
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/490/641/table1Detected Chandra sources in the direction of NGC 2808 (113 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)
  [SDW2008]  Sequential number ((unassigned);meta.version;arith.diff;phys.veloc)
  Det (char) [wh] Detection method (WAVDETECT or by hand) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  XMM (char) XMM-Newton ID (Note 1)   ((unassigned);meta.version;arith.diff;spect.line.veloc)
  RAJ2000 "h:m:s" Right ascension (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  DEJ2000 "d:m:s" Declination (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  Error arcsec 1sigma detection positional error ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  Cts ct Number of X-ray counts ((unassigned);meta.version;arith.diff;time.duration;(unassigned);(unassigned))
  FluxC 10-17W/m2Chandra flux (10–14erg/cm2/s) ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  e_FluxC 10-17W/m2rms uncertainty on Chandra flux ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  FluxX 10-17W/m2(n) XMM flux (10–14erg/cm2/s) (time.equinox;(unassigned);arith.factor;meta.abstract;(unassigned);(unassigned))
  e_FluxX 10-17W/m2(n) rms uncertainty on XMM flux ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  HRC  Chandra hardness ratio (Note 2)   ((unassigned);meta.version;arith.diff;meta.abstract;instr.offset)
  e_HRC  rms uncertainty on Chandra hardness ratio ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  HRX  (n) XMM hardness ratio (Note 2)   ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)
  e_HRX  (n) rms uncertainty on XMM hardness ratio ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  NH 10+22cm-2 [0.12] Absorption column density best fit ((unassigned);(unassigned);(unassigned);(unassigned);src.orbital.inclination)
  PH  Power law of photon index best fit ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  KS  Kolmogorov-Smirnov probability of constancy ((unassigned);(unassigned);(unassigned);pos.wcs.crpix;meta.main)

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  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846612261 Where phase=3 and catid=34900641
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR120124.err (2026-10-29T18:04:20)
-3
-source=J/A+A/490/641/table1
-ref=VIZ6ae38aa51d53c
elapse time 1