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

Target dimension:

Radius Box size

  Chandra Deep Survey of the HDF-N (Hornschemeier+, 2001)
Post annotation
1.J/ApJ/554/742/table8CHANDRA detections of µJy Radio Sources (16 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)
  VLA (char) VLA object designation (
  n_VLA (char) [cde] Note on VLA (Note 1)   (meta.note)
  Offset arcsec Offset between the radio and Chandra source positions (pos.angDistance)
  S1.4GHz uJy Flux at 1.4GHz (phot.flux.density;
  l_Sp+Index (char) Limit flag on Sp+Index (meta.code.error)
  Sp+Index  (n) Radio spectral index (Note 2)   (spect.index)
  theta arcsec (n) Radio spatial extent (Note 2)   (phys.angSize;src)
  z  (n) Redshift (src.redshift)
  l_BRatio (char) Limit flag on BRatio (meta.code.error)
  BRatio  (n) Band ratio hard/soft X-ray (phys.luminosity;arith.ratio)
  Class (char) R00 classification (Note 3)   (src.class.starGalaxy)
  logL0.5-8 [10-7W] (n) log of the full 0.5-8keV luminosity (phys.luminosity;em.X-ray)
  _RA deg (i) Position (derived from the VLA name) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position (derived from the VLA name) (declination part) (pos.eq.dec;meta.main)

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