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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/A+A/574/A73
  LOFAR long baselines at 140MHz Calibrators (Moldon+, 2015)
ReadMe+ftp
2015A&A...574A..73M
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/574/A73/lofarlbLOFAR sources observed (630 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)
  Name (char) Source name (WNBHHMM.m+DDMMA or JHHMM+DDMM) (meta.id;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)
  Fwenss mJy (n) Peak flux density in the WENSS catalogue (330MHz, VIII/62) (phot.flux.density;em.radio.200-400MHz)
  e_Fwenss mJy (n) Error of peak flux density in the WENSS catalogue (stat.error)
  Fnvss mJy (n) Flux density in the NVSS catalogue (1.4GHz, VIII/65) (phot.flux.density;em.radio.750-1500MHz)
  e_Fnvss mJy (n) Error of flux density in the NVSS catalogue (stat.error)
  Fvlss Jy (n) Flux density of VLSS catalogue (74MHz, VIII/97) (phot.flux.density;em.radio.20-100MHz)
  q   [1/3] Quality factor, 3=good calibrator (Note 1)   (arith.factor)
  SED  Plot the spectrum with SPECFIND (Vollmer et al. 2009, Cat. VIII/85) (meta.ref.url)

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