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/A+A/475/959
  X-ray properties of young stellar objects (Forbrich+, 2007)
ReadMe+ftp
2007A&A...475..959F
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/475/959/tablea1Complete source list with parameters determined by acis_extract for the energy range of 0.5-8keV (92 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);phys.veloc.orbital;arith.diff;phys.veloc)
  CXOJ (char) (i) CXOJ designation (HHMMSS.ss+DDMMSS.s) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  n_CXOJ (char) [*] *: manually added source ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  Counts ct Net (background-subtracted) counts ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))
  E_Counts ct Error on Counts (upper limit) ((unassigned);(unassigned);(unassigned);time.age;pos.phaseAng;meta.main)
  e_Counts ct Error on Counts (lower limit) ((unassigned);(unassigned);(unassigned);time.age;time.start)
  MedE keV Median photon energy ((unassigned);(unassigned);(unassigned);instr.sensitivity)
  Signi  Source significance (photometric S/N ratio) ((unassigned);(unassigned);(unassigned);pos.healpix;stat.param)
  HR1  Hardness ratio HR1 (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)
  E_HR1  Error on HR1 (upper limit) ((unassigned);phys.veloc.orbital;arith.diff;time.age;pos.phaseAng;meta.main)
  e_HR1  Error on HR1 (lower limit) ((unassigned);(unassigned);(unassigned);time.age;meta.main)

ALL cols		    
 (i)indexed column
  HR2  Hardness ratio HR2 (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)
  E_HR2  Error on HR2 (upper limit) ((unassigned);phys.veloc.orbital;arith.diff;time.age;pos.phaseAng;meta.main)
  e_HR2  Error on HR2 (lower limit) ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  HR3  Hardness ratio HR3 (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;instr.offset)
  E_HR3  (n) Error on HR3 (upper limit) ((unassigned);(unassigned);(unassigned);time.age;pos.phaseAng;meta.main)
  e_HR3  Error on HR3 (lower limit) ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  X (char) X indicates the existence of optical or IR counterparts in table2 and/or a 2-temperature plasma model in tablea2 ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Flux1 ct/cm2/s axis_extract estimate of the observed flux, which is done channel-wise ((unassigned);obs.atmos.extinction;arith.factor;meta.abstract;(unassigned);(unassigned))
  Flux2 ct/cm2/s axis_extract estimate of the observed flux, which is done using an averaged value ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  RelExp  Ratio of the summed exposure map values at the source position relative to the maximum value (Note 2)   ((unassigned);(unassigned);(unassigned);pos.az.azi;meta.main)
  Nobs  Number of observations in which a source was detected (Note 3)   ((unassigned);(unassigned);(unassigned);src.var)
  _RA deg Position (derived from CXO name (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  _DE deg Position (derived from CXO name (declination part) ((unassigned);(unassigned);arith.factor;(unassigned);arith)

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=846594713 Where phase=3 and catid=34750959
**** 
**** --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/VR4122103.err (2026-10-29T13:11:50)
-3
-source=J/A+A/475/959/tablea1
-ref=VIZ6ae346173ee5f7
elapse time 4