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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

  NVSS and FIRST variable sources (Abrahamyan+, 2018)
Post annotation
1.J/other/A+C/25.176/table2Variable radio sources (6301 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)
  RAJ2000 deg (i) FIRST right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) FIRST declination (J2000) (pos.eq.dec;meta.main)
  Opt  (n)Display the optical variability for this source if any (link to table 8) (meta.ref.url)
  FIRST (char) (i) FIRST designation (JHHMMSS.s+DDMMSS) (;phys.atmol.configuration;meta.main)
  Fpeak mJy [0.8/9709] FIRST peak flux density at 1.4GHz (phot.flux.density;
  Fint mJy [0.5/122194] FIRST integrated flux density at 1.4GHz (phot.flux.density;
  Rms mJy [0.06/5.5] FIRST local noise estimate (stat.stdev;instr.det.noise)
  RANdeg deg NVSS right ascension (J2000) (pos.eq.ra)
  DENdeg deg NVSS declination (J2000) (pos.eq.dec)
  NVSS (char) NVSS designation (HHMMSS+DDMMSS; J2000) (
  S1.4 mJy [2.3/138487] NVSS integrated flux density at 1.4GHz (phot.flux.density;
  e_S1.4 mJy [0.4/4859] S1.4 uncertainty (stat.error)
  del(F) mJy [15/3099] ΔF value (Note 1)   (src.var.amplitude)
  Fr   [1/67] Fr value (Note 2)   (src.var.amplitude)
  AT (char) Activity Type (Note 3)   (src.class)
  IAT (char) Information on catalogues from where we take the activity type (Note 4)   (;meta.dataset)
  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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