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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/A+AS/120/201
  Extragalactic radio sources optical positions (Li+ 1996)
Post annotation
img(gal)
1.J/A+AS/120/201/table1The observations of optical counterparts of extragalactic radio sources (28 rows)
2.J/A+AS/120/201/table2Relative rotations from each individual catalogue to the combined one (28 rows)
3.J/A+AS/120/201/table3(c)Coordinates of primary sources in the compiled catalogue (56 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (1+2)Seq (char) (i) Sequential number (meta.id;meta.main)
  (1)Ref (char) Reference author names (meta.bib.author)
  (1)BibCode (char) Reference BibCode (meta.bib.bibcode)
  (1+2)Nb  Number of sources (meta.number)
  (1)Dec1 deg Lower value of declination range (pos.eq.dec;arith.diff)
  (1)Dec2 deg Upper value of declination range (pos.eq.dec;arith.diff)
  (1+3)e_RAs s rms uncertainty on right ascension (stat.error)
  (1+3)e_DEs arcsec rms uncertainty on declination (stat.error)
  (1)Cat (char) Catalogue of reference (meta.id;meta.dataset)
  (1)Ep (char) Epoch of reference (time.epoch)

ALL cols
    
 (i)indexed column
  (2)A1 arcsec Relative rotation A1 (stat.fit.param)
  (2)e_A1 arcsec rms uncertainty on A1 (stat.error)
  (2)A2 arcsec Relative rotation A2 (stat.fit.param)
  (2)e_A2 arcsec rms uncertainty on A2 (stat.error)
  (2)A3 arcsec Relative rotation A3 (stat.fit.param)
  (2)e_A3 arcsec rms uncertainty on A3 (stat.error)
  (3)Source (char) Source name (based on B1950 position) (meta.id;meta.main)
  (3)Status (char) [P] Status of the source (P: primary) (meta.note)
  (3)RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  (3)DEJ2000 "d:m:s" (i) Declination sign (pos.eq.dec;meta.main)
  (3)IC (char) Individual catalogue in which the source is available (Note 1)   (meta.id;meta.dataset)
  (3)TTS (char) [QGB] Type of the source (Note 2)   (meta.note)
  (3)mag mag (n) Magnitude (phot.mag)
  (3)Name (char) Other name (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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