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

  
I/325
  Radio-optical reference frame link (Zacharias+ 2013)
ReadMe+ftp
2013yCat.1325....0Z
Similar Catalogs
Post annotation 		img(gal)
1.I/325/icrf-u4Results from UCAC4-type reductions of ICRF optical counterparts (sample in table 5 of paper) (682 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);(unassigned);(unassigned);phys.veloc)
  RAJ2000 "h:m:s" Right Ascension ICRS ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 "d:m:s" Declination ICRS ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  Dist mas [0/1821] Distance between the optical and radio positions (phot.limbDark;pos.az.azi;arith.factor;em.mm.50-100GHz)
  dRA* mas Distance(optical-radio) in RA*cos(Dec) (spect.index;instr.baseline;(unassigned);(unassigned);instr.background)
  dDec mas Distance(optical-radio) in Dec ((unassigned);(unassigned);(unassigned);(unassigned))
  eRA mas [4/250] total, formal error of optical position (RA*cos(Dec)) ((unassigned);(unassigned);(unassigned);time.age;(unassigned);(unassigned);(unassigned))
  eDE mas [4/250] total, formal error of optical position (Dec) ((unassigned);phys.veloc.orbital;arith.diff;time.age;(unassigned);(unassigned);(unassigned))
  sRA  ratio dRA*/eRA (position difference in RA in {sigma}s) ((unassigned);phys.veloc.orbital;arith.diff;phys.polarization.circular;meta.main)
  sDE  ratio dDE/eDE (position difference in Dec in {sigma}s) ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)
  eRad mas (n) error of radio position (per coordinate) ((unassigned);(unassigned);(unassigned);time.age;(unassigned);stat.kurtosis;(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Nccd  number of deep CCD exposures used (time.epoch;instr.calib;stat.min;src.var)
  Nr*  average number of reference stars per deep exposure used (stat.mean;obs.atmos.refractAngle;arith.grad;src.var)
  Nrx  average number of reference stars excluded ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  err  mean "plate" solution error of individual deep CCD exposures ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  S/N   [1/1639] Approximate signal/noise ratio of target on individual deep CCD (phys.veloc.ang;pos.earth.altitude;arith.diff;meta.abstract;phot.fluence)
  mag mag (n) Optical brightness from LQAC-2 (J/A+A/537/A99) (phot.color;em.IR.60-100um;arith.factor;stat.filling;(unassigned);(unassigned))
  z  (n) [0/5] Redshift from LQAC-2 (J/A+A/537/A99) ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  T   [0/3] Object type: 0=unknown, 1=AGN, 2=BL-Lac, 3=QSO (from Veron's 13th ed. (VII/258) ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  S  (n) [0.8/7.2] Radio X-band (8-12GHz) structure index from Bordeaux database: 1=very good, 2=good, 3=use with caution, 4=unacceptable ((unassigned);em.IR.8-15um;arith.factor;pos.cartesian)
  U   [2/4] UCAC-type reductions (2 or 4) ((unassigned);stat.covariance;arith.grad;spect.line.veloc;pos.wcs.crpix)
  Rname (char) B1950 coordinate based name of target ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  R  (n)Number of results for this source with UCAC2- and UCAC4-type reductions ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  Run (char) [abo-zJ] Code of deep CCD observing run (Note 1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec;phot.count)
  n_Run (char) [rc] Type of target: r=regular target, c=also used as calibration field ((unassigned);(unassigned);arith.factor;phys.veloc.orbital)
  Q (char) [ufplgn] Quality letter of optical image (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;pos.cartesian;(unassigned);(unassigned);(unassigned))
  M  (n)Existence in Vérons' catalogue (VII/258) and/or LQAC-2 (J/A+A/537/A99) within 3arcsec ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Notes (char) Remarks; if a double the separation (pixel) and flux ratio (source/companion) is given ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  SimbadName (char) Designation understandable by the Simbad data-base ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846446257 Where phase=3 and catid=1325
**** 
**** --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/VR272598.err (2026-10-27T19:57:36)
-3
-source=I/325/icrf-u4
-ref=VIZ6ae10231428d6
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