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. (meta.record)
  (1)NSepup3 (char) indicates sources with normalized separation between the S/X and K band, X/Ka band or Gaia-CRF2 positions > 3 (meta.ref.url)
  (1+2+3)ICRF (char) International Celestial Reference Frame name, (JHHMMSS.s+DDMMSS) (Note 1)   (meta.id;meta.main)
   (ALL)IERS (char) (i) International Earth Rotation and Reference Systems Service name (HHMM+DDd, B1950 equinox) (Note 2)   (meta.id)
  (1+2+3)Cat (char) [D] ICRF3 source category (Note 3)   (meta.note)
  (1+2+3)fVLBA (char) [V] Flag signaling that the observations are solely from the VLBA (Note 4)   (meta.note)
  (1+2+3)RAICRS "h:m:s" (i) Right ascension (ICRF) at Ep=2015.0 (pos.eq.ra;meta.main)
  (1+2+3)DEICRS "d:m:s" (i) Declination (ICRF) at Ep=2015.0 (pos.eq.dec;meta.main)
  (1+2+3)e_RAICRS s Right ascension uncertainty (stat.error;pos.eq.ra)
  (1+2+3)e_DEICRS arcsec Declination uncertainty (stat.error;pos.eq.dec)
  (1+2+3)Corr  Correlation coefficient between right ascension and declination (stat.correlation)

ALL cols		    
 (i)indexed column
  (1+2+3)Ep d Mean epoch of the sessions in which the source was observed (Note 5)   (time.epoch)
  (1+2+3)Of d Epoch of first session in which the source was observed (Note 5)   (time.epoch)
  (1+2+3)Ol d Epoch of last session in which the source was observed (Note 5)   (time.epoch)
  (1+2+3)Nses  Number of sessions in which the source was observed (meta.number)
  (1+2+3)Ndel  Number of delay observations used to estimate the source position (meta.number)
  (1+2+3)Nrat  Number of delay rate observations used to estimate the source position (meta.number)
  (1+2+3)_RA.icrs "h:m:s" (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  (1+2+3)_DE.icrs "d:m:s" (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  (4+5+6)oRAcosDE uas Offset in RAcosDE (right ascension scaled by the cosine of the declination) (pos.eq.ra;arith.diff)
  (4+5+6)e_oRAcosDE uas Uncertainty for the RAcosDE offset (stat.error)
  (4+5+6)oDE uas Offset in declination (pos.eq.dec;arith.diff)
  (4+5+6)e_oDE uas Uncertainty for the declination offset (stat.error)
  (4+5+6)Sep uas Length of the offset vector (Note 1)   (pos.angDistance)

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 (stat.error)
  (4+5+6)PA deg Direction of the offset vector (Note 2)   (pos.posAng)
  (4+5+6)e_PA deg Uncertainty for the offset vector direction (stat.error)
  (4+5+6)Sep/e_Sep  Normalized separation (stat.error)

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 0