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VIII/85A
  SPECFIND V2.0 Catalog of radio continuum spectra (Vollmer+ 2009)
image
spectrum
Post annotation
img(gal)
1.VIII/85A/spectraThe parameters of the radio spectra[image]
spectrum
(631736 rows)
The column SED is a link to a plot of the radio spectrum, and the column Radio+Opt is a link to an Aladin preview. The SED plot contains points from the cross-identification (spectra; red), from the waste basket (waste; yellow), and the fitted radio spectra as lines. The Aladin preview contains a DSS image together with NVSS contours (blue) and the points and associated beams of the radio spectrum (red); points and beams of the sources from the waste basket are hidden but can be made visible by clicking on the corresponding plane (yellow).

 
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)
  Seq  (i) [1,107498] Sequential number of the spectrum (Note 1)   (meta.record)
  n_Seq  source flags: 1=confusion (NVSS neighbors within 2'), 2=extended (more than 45" deconvolved on NVSS image), 4=complex (marked complex in NVSS). A combination of these flags is represented by the sum of these numbers (meta.note)
  Name (char) Main name of the radio source (Note G1)   (meta.id;meta.main)
  N   [2,31] Number of points in spectrum (meta.number)
  a  Slope of spectrum (Note 3)   (arith.grad;spect.index)
  b [mJy] Abscissa of spectrum (Note 3)   (stat.fit;arith.zp)
  nu MHz [30,15000] Frequency (em.freq)
  S(nu) mJy Flux density at frequency nu (phot.flux.density;em.radio)
  e_S(nu) mJy Mean error on S(nu) (stat.error)
  RAJ2000 deg (i) Right ascension (J2000) of source (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) of source (pos.eq.dec;meta.main)
  dFlux mJy Difference with flux expected from NVSS (stat.fit.residual)
  dRA arcsec Offset in RA from NVSS source (pos.eq.ra;arith.diff)
  dDE arcsec Offset in DE from NVSS source (pos.eq.dec;arith.diff)
  zSim  Display the Object type and redshift form Simbad (meta.ref.url)
  SED  
spectrum
Plot of the Spectral Energy Distribution (meta.ref.url)
  Radio+Opt  Get an optical image, with an overplot of radio contours (meta.ref.url)
image
  beam arcsec (n)Size of beam (0 if unknown) (phys.angSize;instr.beam)

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