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VIII/104
  SPECFIND V3.0 Catalog of radio continuum spectra (Stein+, 2021)
ReadMe+ftp
2021A&A...655A..17S
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1.VIII/104/spectra(c)The parameters of the radio spectra[image] (1658207 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).
2.VIII/104/waste(c)Source parameters based on positional cross-id[spectrum] (3570814 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).
3.VIII/104/beamCharacterisation of catalogues in SPECFIND (220 rows)
4.VIII/104/ghzbreak_cand(c)Spectral break source candidates at 1.4 GHz (table A2)[image]
spectrum
(31179 rows)
5.VIII/104/mhzbreak_cand(c)Spectral break source candidates at 325 MHz (table A3)[image] (173703 rows)
6.VIII/104/figa2List of pdf files of Fig. A2 (2 rows)
7.VIII/104/simbadzRedshifts from Simbad database (April 2024) (339547 rows)

Simple ConstraintList Of Constraints
 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1+2+4+5+7)Seq  (i) [1/339592] Sequential number of the spectrum (Note 1)   (meta.record)
  (1+2+3+4+5+7)Name (char) Main name of the radio source (Note G1)   (meta.id;meta.main)
  (1+3)N   [2/34] Number of points in spectrum (meta.number)
  (1+4+5)a  Slope of spectrum (Note 3)   (arith.grad;spect.index)
  (1)b [mJy] Abscissa of spectrum (Note 3)   (stat.fit;arith.zp)
  (1+2+3)nu MHz [16/31000] Frequency (em.freq)
  (1+2)S(nu) mJy Flux density at frequency nu (phot.flux.density;em.radio)
  (1+2)e_S(nu) mJy Mean error on S(nu) (stat.error)
  (1+2+4+5)RAJ2000 deg (i) Right ascension (J2000) of source (pos.eq.ra;meta.main)
  (1+2+4+5)DEJ2000 deg (i) Declination (J2000) of source (pos.eq.dec;meta.main)

ALL cols		    
 (i)indexed column
  (1)dFlux mJy Difference with flux expected from NVSS (stat.fit.residual)
  (1)dRA arcsec (n) Offset in RA from NVSS source (pos.eq.ra;arith.diff)
  (1)dDE arcsec (n) Offset in DE from NVSS source (pos.eq.dec;arith.diff)
  (1)zSim (char) Display the Object type and redshift form Simbad (meta.ref.url)
  (1+2+4+5)SED (char)
spectrum
Plot of the Spectral Energy Distribution (meta.ref.url)
  (1+2+4+5)Radio+Opt (char) Get an optical image, with an overplot of radio contours (meta.ref.url)
  (1+2)beam arcsec (n)Size of beam (phys.angSize;instr.beam)
  (2)Assoc (char) (i) Main name of the radio association (Note G1)   (meta.id.assoc)
  (3)Abrev (char) Other abbreviation (meta.note)
  (3)I (char) [I&S? -] Interferometer or Single dish (instr.setup)
  (3)beam arcmin Beam size (phys.angSize;instr.beam)
  (3)Smin mJy (n) Sensitivity limit (instr.sensitivity)
  (3)Cov deg+2 Coverage (phys.area;instr)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)sp % (n) Percentage of sources having a spectrum (meta.note)
  (3)BibCode (char) Reference's bibcode (meta.bib.bibcode)
  (3)Cat (char) Catalog acronyms in VizieR (meta.note)
  (4+5)cat (char) Spectral break code (Note 2)   (meta.code)
  (4+5)Resolved   [0/1] Resolved (1) flag (Note 3)   (meta.code)
  (4+5)b  (n) Abscissa associated with the source (stat.fit.param)
  (4+5)alow  Spectral slope at low frequencies (spect.index)
  (4+5)e_alow  rms uncertainty on spectral slope at low frequencies (stat.error)
  (4+5)ahigh  Spectral slope at high frequencies (spect.index)
  (4+5)e_ahigh  rms uncertainty on spectral slope at high frequencies (stat.error)
  (4+5)Freq MHz Frequency (em.freq)
  (4+5)S mJy Flux density at Freq (phot.flux.density;em.radio)
  (4+5)e_S mJy rms uncertainty on S (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4+5)Beam  beam/resolution (phys.angSize)
  (6)FileName (char) Name of the pdf file in figa2 subdirectory (meta.id;meta.file)
  (6)Title (char) Title of the file (meta.title;meta.file)
  (7)SType (char) Simbad object type (src.class)
  (7)z  (n) Simbad redshift (src.redshift)
  (7)e_z  (n) rms uncertainty on z (stat.error;src.redshift)
  (7)n_z (char) Simbad nature redshift (Note 1)   (meta.note)
  (7)SName (char) Simbad name (meta.id)
  (7)Simbad (char) 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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