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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

Target dimension:

Radius Box size

  AT20G high-angular-resolution catalogue (Chhetri+, 2013)
Post annotation
1.J/MNRAS/434/956/table2Visibility catalogue of the AT20G survey (5890 rows)

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. (meta.record)
  AT20G (char) (i) AT20G name (JHHMMSS+DDMMSS) (;meta.main)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  S20 mJy [40/28350] 20GHz flux density (phot.flux.density;
  S8.6 mJy (n) [5/6566] 8.6GHz flux density (phot.flux.density;
  S4.8 mJy (n) [3/9066] 4.8GHz flux density (phot.flux.density;
  S1.4 mJy (n) [2/113563] NVSS 1.4GHz flux density (phot.flux.density;
  S0.8 mJy (n) [8/342000] SUMSS 0.8GHz flux density (phot.flux.density;
  SI1-5  (n) [-2.1/2.3] Spectral index between 1 and 4.8GHz (spect.index)
  SI1-9  (n) [-2.0/2.1] Spectral index between 1 and 8.6GHz (spect.index)
  SI1-20  (n) [-2.1/1.6] Spectral index between 1 and 20GHz (spect.index)
  SI5-9  (n) [-2.6/2.9] Spectral index between 4.8 and 8.6GHz (spect.index)
  SI5-20  (n) [-2.3/1.9] Spectral index between 4.8 and 20GHz (spect.index)
  SI9-20  (n) [-3.0/2.5] Spectral index between 8.6 and 20GHz (spect.index)
  Vis1  (n) First 6-km visibility (Note G1)   (phot.flux;arith.ratio)
  Vis2  (n) Second 6-km visibility (Note G1)   (phot.flux;arith.ratio)
  e_Vis  (n) Total uncertainty in the 6-km visibility (stat.error)
  Flag (char) Flags (Note 1)   (meta.code.error)
  SED  Plot the spectrum with SPECFIND (Vollmer et al. 2009, Cat. VIII/85) (meta.ref.url)
  at20gcat  Display the AT20G data (Murphy et al. 2010, Cat. J/MNRAS/402/2403) (meta.ref.url)

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