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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  AT20G-optical catalogue (Mahony+, 2011)
Post annotation
1.J/MNRAS/417/2651/catalogAT20G-optical catalogue (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) AT20G name (JHHMMSS+DDMMSS) (;meta.main)
  n_AT20G (char) [ebdhlmp] AT20G flags (Note 1)   (meta.note)
  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 (n) Flux density at 20GHz (phot.flux.density;
  S8.4 mJy (n) Flux density at 8.4GHz (phot.flux.density;
  S4.8 mJy (n) Flux density at 4.8GHz (phot.flux.density;
  Q (char) [pg] Quality flag. g: good, p:poor (meta.code.qual)
  S1.4 GHz (n) NVSS 1.4GHz flux density (phot.flux.density;
  S0.8 GHz (n) SUMSS 0.8GHz flux density (phot.flux.density;

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  RAO "h:m:s" (n) Optical right ascension (J2000) (pos.eq.ra)
  DEO "d:m:s" (n) Optical declination (J2000) (pos.eq.dec)
  off arcsec (n) Offset from ATG20G source (pos;arith.diff)
  Bmag mag (n) SuperCOSMOS bJ magnitude (phot.mag;em.opt.B)
  Rmag mag (n) SuperCOSMOS rF magnitude (phot.mag;em.opt.R)
  SC  (n) [0/4] SuperCOSMOS class based on the morphology of the optical source (1=galaxy, 2=star) (Note 2)   (src.class.starGalaxy)
  f_SC (char) [bouc] Optical flags (Note 3)   (meta.code)
  z  (n) Redshift (src.redshift)
  q_z (char) [12346N] Redshift measurement quality, values ≥4 are reliable (Note 4)   (meta.code.qual;src.redshift)
  Type (char) Spectral classification (Note 5)   (src.class)
  RMAG mag (n) Absolute R magnitude (phys.magAbs)
  logP20 [W/Hz] (n) Logarithm of the K-corrected 20GHz radio luminosity (phys.luminosity;
  BibCode (char) Reference (Note 6)   (meta.ref;pos.frame)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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