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:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/MNRAS/474/5008
  Radio spectral index 147-1400MHz (de Gasperin+, 2018)
ReadMe+ftp
2018MNRAS.474.5008D
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/474/5008/spidxcat*Spectral index catalogue (Note) (1396515 rows)

Simple ConstraintList Of Constraints
 
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)
  RAJ2000 deg (i) Right Ascension (J2000) (weighted average of NVSS and TGSS detections for Scode=SMCI) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (weighted average (pos.eq.dec;meta.main)
  FtotNVSS Jy (n) NVSS 1.4GHz total flux (sum of detections fluxes for Scode=I, set to 0 for Scode=U) (phot.flux.density;em.radio.750-1500MHz)
  e_FtotNVSS Jy (n) rms uncertainty on FtotNVSS (quadratic mean of detection errors for Scode=I, set to 0 for Scode=U) (stat.error)
  FpeakNVSS Jy/beam (n) NVSS 1.4GHz peak flux (maximum of detections peak fluxes for Scode=I, set to 0 for Scode=U) (phot.flux.density;em.radio.750-1500MHz)
  e_FpeakNVSS Jy/beam (n) rms uncertainty on FpeakNVSS (error relative to the maximum of detections peak fluxes for Scode=I, set to 0 for Scode=U) (stat.error)
  rmsNVSS Jy/beam NVSS local rms noise (instr.det.noise)
  FtotTGSS Jy (n) TGSS 147MHz total flux (sum of detections fluxes for Scode=I, set to 0 for Scode=L) (phot.flux.density;em.radio.100-200MHz)
  e_FtotTGSS Jy (n) rms uncertainty on FtotTGSS (quadratic mean of detections error for Scode=I, set to 0 for Scode=L) (stat.error)
  FpeakTGSS Jy/beam (n) TGSS 147MHz peak flux (maximum of detections peak fluxes for Scode=I, set to 0 for Scode=L) (phot.flux.density;em.radio.100-200MHz)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_FpeakTGSS Jy/beam (n) rms uncertainty on FpeakTGSS (error relative to the maximum of detections peak fluxes for Scode=I, set to 0 for Scode=L) (stat.error)
  rmsTGSS Jy/beam Local rms noise (instr.det.noise)
  SpIndex  Spectral index between 147MHz and 1.4GHz (spect.index;em.radio.100-200MHz)
  e_SpIndex  Spectral index error (set to 0 for Scode=LU) (stat.error)
  s2n  Peak flux over Island rms (phot.flux;arith.ratio)
  Scode (char) [SMCILU] Source code (Note 1)   (meta.code)
  Nmatch  Number of matched sources in the same island (meta.number)
  NunmaNVSS  Number of NVSS unmatched sources in the same island (meta.number)
  NunmaTGSS  Number of TGSS unmatched sources in the same island (meta.number)
  IslId   [30/1855370] Island identification number (meta.id)
  SourceId   [0/1396514] Unique source identification number (meta.id;meta.main)

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