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  VLBA obs. of radio reference frame sources. III. (Fey+, 2000)
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1.J/ApJS/128/17/table1Parameters of naturally weighted images (460 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)
  IERS (char) Source name (IERS BHHMM+DDd in Simbad) (
  nu GHz Fiducial frequency (2.32 or 8.55GHz) (em.freq)
  a mas Beam major axis (Note 1)   (phys.angSize)
  b mas Beam minor axis (Note 1)   (phys.angSize)
  phi deg Beam major axis position angle (Note 1)   (pos.posAng)
  S(nu) Jy Peak flux density at frequency nu (phot.flux.density;
  rms mJy rms of the residuals of the final hybrid image (instr.det.noise)
  Cont (char) mJy Contour levels (Note 2)   (instr.skyLevel)

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