VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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/ApJ/836/174
  Extragalactic peaked-spectrum radio sources (Callingham+, 2017)
ReadMe+ftp
2017ApJ...836..174C
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/836/174/pkfreqThe peaked-spectrum sources in the high and low frequency samples (sources with a spectral peak between 72MHz and 1.4GHz) (original column names in green) (1222 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
Standard Original
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);meta.version;arith.diff;phys.veloc)
  GLEAM (char) Name of the source in the GLEAM extragalactic catalog (Hurley-Walker+, 2016, VIII/100) (Gleam_name) ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  RAJ2000 deg Right ascension of the source in the GLEAM extragalactic catalog (J2000) (RA_gleam) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 deg Declination of the source in the GLEAM extragalactic catalog (J2000) (Dec_gleam) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  Spk Jy [0.1/54] Flux density at the spectral peak (S_p) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;stat.interval;(unassigned))
  e_Spk Jy [0.02/3] Uncertainty in Spk (S_p_error) ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  nuPk MHz [72/944] Frequency of the spectral peak (nu_p) (stat.fit.param;pos.wcs.ctype;arith.grad;instr.spect)
  e_nuPk MHz [8/330] Uncertainty in nuPk (nu_p_error) (src.class.starGalaxy;(unassigned);stat.min;time.age;meta.main)
  alpTn   [-3/1.6] Optically thin spectral index from fitting Equation 3 to the entire spectrum (alpha_thin) (Note 1)   ((unassigned);stat.error;arith.factor;phys.abund.Y;meta.main)
  e_alpTn   [0.04/1] Uncertainty in alpTn (alpha_thin_error) (src.class.struct;(unassigned);stat.min;time.age;meta.main)
  alpTk  (n) [0.003/5] Optically thick spectral index from fitting Equation 3 to the entire spectrum (alpha_thick) (Note 1)   (stat.weight;instr.det;stat.min;phys.abund.Y;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_alpTk  (n) [0.07/3] Uncertainty in alpTk (alpha_thick_error) ((unassigned);meta.version;arith.diff;time.age;meta.main)
  alpLow   [-1.1/2.7] Low frequency spectral index derived from fitting a power-law to data between 72 and 231MHz (alpha_low) ((unassigned);meta.version;arith.diff;phys.abund.Y;meta.main)
  e_alpLow   [0.06/0.9] Uncertainty in alpLow (alpha_low_error) ((unassigned);instr.calib;stat.min;time.age;meta.main)
  alpHigh   [-2.1/0] High frequency spectral index derived from fitting a power-law to SUMSS and/or NVSS flux density point(s) and to GLEAM data at 189 and 212MHz (alpha_high) (