VizieR

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

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Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/AJ/162/121
  3627 International Celestial Reference Frame sources (Hunt+, 2021)
Post annotation
img(gal)
1.J/AJ/162/121/table4Radio properties of ICRF sources (5610 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)
  IERS (char) Source IERS Name (meta.id;meta.main)
  RAICRS deg (i) [0/360] Right ascension (ICRF) at Ep=2015.0 (Note 1)   (pos.eq.ra;meta.main)
  DEICRS deg (i) [-50/89] Declination (ICRF) at Ep=2015.0 (Note 1)   (pos.eq.dec;meta.main)
  alpha  (n) [-5.1/4.9] Clean 2.3GHz to 8.7GHz spectral * index (spect.index;em.radio.3-6GHz)
  Session (char) Session (Note 2)   (meta.code)
  Obs "Y:M:D" [2017] Observation, year (time.epoch)
  Srms-t mJy/beam (n) [0.0001/0.008] 2.3GHz theoretical RMS in image (instr.det.noise)
  Srms mJy/beam (n) [4.1e-5/1.4] 2.3GHz measured RMS in image (instr.det.noise)
  Speak Jy/beam (n) [7.9e-5/5.6] 2.3GHz peak flux density of the brightest pixel (phot.flux.density;em.radio.1500-3000MHz)
  Stot Jy (n) [0.001/7.9] 2.3GHz total flux density (Note 3)   (phot.flux.density;em.radio.1500-3000MHz)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  Sgau Jy (n) [0.003/6.9] 2.3GHz Gaussian fit flux density (Note 4)   (phot.flux.density;em.radio.1500-3000MHz)
  Ssnr  (n) [1.2/866] 2.3GHz Signal-to-noise ratio (Note 5)   (stat.snr)
  Xrms-t mJy/beam (n) [9.1e-5/0.006] 8.7GHz theoretical RMS in image (instr.det.noise)
  Xrms mJy/beam (n) [0.0001/1.9] 8.7GHz measured RMS in image (instr.det.noise)
  Xpeak Jy/beam (n) [0.005/7.2] 8.7GHz peak flux density of the brightest pixel (phot.flux.density;em.radio.6-12GHz)
  Xtot Jy (n) [0.009/7.6] 8.7GHz total flux density (Note 3)   (phot.flux.density;em.radio.6-12GHz)
  Xgau Jy (n) [-1.8e6/7.5] 8.7GHz Gaussianfit flux density (Note 4)   (phot.flux.density;em.radio.6-12GHz)
  Xsnr  (n) [0.4/1776] 8.7GHz Signal-to-noise ratio (Note 5)   (stat.snr)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

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