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VizieR

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J/MNRAS/434/956/table2 AT20G high-angular-resolution catalogue (Chhetri+, 2013)
Visibility catalogue of the AT20G survey (5890 rows)
  recno=3834
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ColumnValue  Explain   (UCD)
_RAJ200014 55 01.3400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-04 20 18.200 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195014 52 24.1583 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-04 08 10.490 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon351.1510736 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+46.6368687 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
3834recno 3834  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

AT20GJ145501-042018  (i) AT20G name (JHHMMSS+DDMMSS) (linked to visibilities from table3 ) (meta.id;meta.main)
RAJ200014 55 01.34 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-04 20 18.2 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
S20 120 mJy [40/28350] 20GHz flux density (phot.flux.density;em.radio.12-30GHz)
S8.6  mJy [5/6566] 8.6GHz flux density (phot.flux.density;em.radio.6-12GHz)
S4.8  mJy [3/9066] 4.8GHz flux density (phot.flux.density;em.radio.3-6GHz)
S1.4 1037 mJy [2/113563] NVSS 1.4GHz flux density (phot.flux.density;em.radio.750-1500MHz)
S0.8  mJy [8/342000] SUMSS 0.8GHz flux density (phot.flux.density;em.radio.750-1500MHz)
SI1-5    [-2.1/2.3] Spectral index between 1 and 4.8GHz (spect.index)
SI1-9    [-2.0/2.1] Spectral index between 1 and 8.6GHz (spect.index)
SI1-20-0.82   [-2.1/1.6] Spectral index between 1 and 20GHz (spect.index)
SI5-9    [-2.6/2.9] Spectral index between 4.8 and 8.6GHz (spect.index)
SI5-20    [-2.3/1.9] Spectral index between 4.8 and 20GHz (spect.index)
SI9-20    [-3.0/2.5] Spectral index between 8.6 and 20GHz (spect.index)
Vis1-0.08   First 6-km visibility (Note G1)   (phot.flux;arith.ratio)
Vis2    Second 6-km visibility (Note G1)   (phot.flux;arith.ratio)
e_Vis 0.04   Total uncertainty in the 6-km visibility (stat.error)
Flage  Flags (Note 1)   (meta.code.error)

SEDSED  Plot the spectrum with SPECFIND (Vollmer et al. 2009, Cat. VIII/85) (meta.ref.url)
at20gcatat20gcat  Display the AT20G data (Murphy et al. 2010, Cat. J/MNRAS/402/2403) (meta.ref.url)
  
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