VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

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J/A+A/569/A52
  Ultra steep spectrum radio sources (Singh+, 2014)
Post annotation
img(gal)
1.J/A+A/569/A52/tablea1325MHz GMRT observations of the Ultra Steep Spectrum (USS) sample (161 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)
  Sample (char) Sample (B03 or S06) (Note 1)   (src.sample)
  S  (n)Sources in the S06 and B03 samples (meta.ref.url)
  n_GMRT (char) [*+] low signal or double lobe source (Note 2)   (meta.note)
  GMRT (char) Source name as given in our 325MHz GMRT catalog (Sirothia et al., in prep.) (HHMMSS+DDMMSS) (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (Note 3)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (Note 3)   (pos.eq.dec;meta.main)
  S.325 mJy 325MHz flux density from our GMRT observations (phot.flux.density;em.radio.200-400MHz)
  e_S.325 mJy rms uncertainty on S325MHz (stat.error)
  S1.4 mJy 1.4GHz flux density from B03 or S06 (phot.flux.density;em.radio.750-1500MHz)
  e_S1.4 mJy rms uncertainty on S1.4 (stat.error)
  alpha   [-2.6/-1] Radio spectral index α between 325MHz to 1.4GHz (spect.index;em.radio.200-400MHz)
  e_alpha  rms uncertainty on alpha (stat.error;pos.eq.ra)
  zph  (n) [0.03/3.5] Photometric redshift estimate (Note 4)   (src.redshift)
  zsp  (n) [0.03/3.9] Spectroscopic redshift (Note 5)   (src.redshift)
  logL1.4 [W/Hz] (n) 1.4GHz radio luminosity (Note 6)   (phys.luminosity;em.radio.750-1500MHz)
  SED  Plot the spectrum with SPECFIND (Vollmer et al. 2009, Cat. VIII/85) (meta.ref.url)

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