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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/348/857
  Radio-loud QSOs at z∼4 (Holt+, 2004)
ReadMe+ftp
2004MNRAS.348..857H
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/348/857/table2Candidates which are not z>3.6 QSOs (59 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)
  Sample (char) [QS] Samples (Note 1)   (meta.id)
  RAJ2000 "h:m:s" (i) Optical right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  S1.4GHz mJy (n) FIRST 1.4GHz flux density (integrated, for S1.4GHz>10mJy, otherwise peak) (phot.flux.density;em.radio.750-1500MHz)
  dR-O arcsec Radio-optical position difference (pos.angDistance)
  Emag mag APM POSS-I E magnitude (phot.mag;em.opt.R)
  l_O-E (char) Limit flag on O-E (meta.code.error)
  O-E mag APM POSS-I O-E colour (phot.color;em.opt.B;em.opt.R)
  Type (char) [QGS?*] Type of object (Q = QSO, G = Galaxy, ? = probable galaxy, * = star, S not explained) (src.class)
  z  (n) Redshift (src.redshift)
  e_z  (n) rms error on redshift (stat.error)
  Notes (char) Notes (meta.note)
  FIRST  Show FIRST data (meta.ref)

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