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/644/A159
  The third realization of the ICRF, ICRF3 (Charlot+, 2020)
ReadMe+ftp
2020A&A...644A.159C
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/644/A159/table10(c)Coordinates at S/X band for 4536 sources (4536 rows)
2.J/A+A/644/A159/table11(c)Coordinates at K band for 824 sources (824 rows)
3.J/A+A/644/A159/table12(c)Coordinates at X/Ka band for 678 sources (678 rows)
4.J/A+A/644/A159/table14List of sources with normalized separation between the S/X and K band positions > 3 (46 rows)
5.J/A+A/644/A159/table15List of sources with normalized separation between the S/X and X/Ka band positions > 3 (70 rows)
6.J/A+A/644/A159/table16List of sources with normalized separation between the S/X and Gaia-CRF2 positions > 3 (653 rows)

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)NSepup3 (char) indicates sources with normalized separation between the S/X and K band, X/Ka band or Gaia-CRF2 positions > 3 ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1+2+3)ICRF (char) International Celestial Reference Frame name, (JHHMMSS.s+DDMMSS) (Note 1)   ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
   (ALL)IERS (char) (i) International Earth Rotation and Reference Systems Service name (HHMM+DDd, B1950 equinox) (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  (1+2+3)Cat (char) [D] ICRF3 source category (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  (1+2+3)fVLBA (char) [V] Flag signaling that the observations are solely from the VLBA (Note 4)   ((unassigned);em.line;arith.grad;phys.veloc.orbital)
  (1+2+3)RAICRS "h:m:s" Right ascension (ICRF) at Ep=2015.0 ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1+2+3)DEICRS "d:m:s" Declination (ICRF) at Ep=2015.0 ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1+2+3)e_RAICRS s Right ascension uncertainty ((unassigned);(unassigned);(unassigned);time.age;(unassigned))
  (1+2+3)e_DEICRS arcsec Declination uncertainty ((unassigned);phys.atmol.qn.F;arith.grad;time.age;(unassigned))
  (1+2+3)Corr  Correlation coefficient between right ascension and declination ((unassigned);phys.luminosity.fun;arith.factor;stat.median;meta.main)

ALL cols		    
 (i)indexed column
  (1+2+3)Ep d Mean epoch of the sessions in which the source was observed (Note 5)   (obs.param;obs.atmos;arith.factor;pos.centroid;meta.main)
  (1+2+3)Of d Epoch of first session in which the source was observed (Note 5)   ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid;meta.main)
  (1+2+3)Ol d Epoch of last session in which the source was observed (Note 5)   ((unassigned);stat.error;arith.factor;pos.centroid;meta.main)
  (1+2+3)Nses  Number of sessions in which the source was observed ((unassigned);(unassigned);(unassigned);src.var)
  (1+2+3)Ndel  Number of delay observations used to estimate the source position ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  (1+2+3)Nrat  Number of delay rate observations used to estimate the source position ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  (1+2+3)_RA.icrs "h:m:s" (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  (1+2+3)_DE.icrs "d:m:s" (n)(i) Declination (ICRS, epoch 2000) computed by CDS (obs.param;stat.covariance;arith.grad;(unassigned))
  (4+5+6)oRAcosDE uas Offset in RAcosDE (right ascension scaled by the cosine of the declination) ((unassigned);(unassigned);(unassigned);(unassigned);instr.background)
  (4+5+6)e_oRAcosDE uas Uncertainty for the RAcosDE offset ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (4+5+6)oDE uas Offset in declination ((unassigned);(unassigned);(unassigned);(unassigned);instr.background)
  (4+5+6)e_oDE uas Uncertainty for the declination offset ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (4+5+6)Sep uas Length of the offset vector (Note 1)   ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4+5+6)e_Sep uas Uncertainty for the offset vector length ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (4+5+6)PA deg Direction of the offset vector (Note 2)   ((unassigned);(unassigned);(unassigned);instr.spect;meta.main)
  (4+5+6)e_PA deg Uncertainty for the offset vector direction ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (4+5+6)Sep/e_Sep  Normalized separation ((unassigned);(unassigned);(unassigned);time.age;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=846471721 Where phase=3 and catid=36440159
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846471721 Where phase=3 and catid=36440159
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846471721 Where phase=3 and catid=36440159
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846471721 Where phase=3 and catid=36440159
**** 
**** --POSTGRES MSG db=0
**** 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/VR642199.err (2026-10-28T03:02:00)
-3
-source=J/A+A/644/A159
-ref=VIZ6ae165a99cc97
elapse time 1