VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJ/737/45
  Variable 1.4GHz radio sources from NVSS and FIRST (Ofek+, 2011)
ReadMe+ftp
2011ApJ...737...45O
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/737/45/table2Observing Times of FIRST Sources (816331 rows)

Simple ConstraintList Of Constraints
 
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) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  Sp mJy 1.4GHz peak flux (phot.flux.density;em.radio.750-1500MHz)
  e_Sp mJy The rms in PFlux (stat.error;src.spType)
  Nobs  Number of observations (meta.number)
  t d (n) Mean Julian day of the observation (Note 1)   (time.epoch;obs;stat.mean)
  dt d (n) Time span of the observations δt (Note 1)   (time.interval)
  FIRST  Cross-match with FIRST (Cat. VIII/90) within 1" (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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