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/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/table1(c)High-redshift radio QSOs in FIRST (VIII/71) (20 rows)
2.J/MNRAS/348/857/table2(c)Candidates which are not z>3.6 QSOs (59 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)Sample (char) [ABC] Sample designation (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
   (ALL)RAJ2000 "h:m:s" Optical right ascension (J2000.0) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)DEJ2000 "d:m:s" Declination (J2000.0) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)S1.4GHz mJy (n) FIRST 1.4GHz flux density (integrated for S1.4GHz>10mJy, otherwise peak) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (1)S4.85GHz mJy (n) Integrated Effelsberg 4.85GHz flux density ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (1)S10.6GHz mJy (n) Integrated Effelsberg 10.6GHz flux density ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (1)Sp+Index  (n) Radio spectral index alpha ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  (1)logLR [W/Hz] Radio luminosity (Note 2)   ((unassigned);(unassigned);(unassigned);(unassigned))
   (ALL)dR-O arcsec Radio-optical position difference ((unassigned);phys.veloc.orbital;arith.diff;em.mm.50-100GHz)
   (ALL)Emag mag APM POSS-I E magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)l_O-E (char) Limit flag on O-E ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
   (ALL)O-E mag APM POSS-I O-E colour ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  (1)Rmag mag (n) JKT (Jacobus Kapteyn Telescope) R magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (1)Imag mag (n) JKT (Jacobus Kapteyn Telescope) I magnitude (time.equinox;(unassigned);arith.factor;stat.filling;(unassigned);(unassigned))
   (ALL)z  Redshift ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
   (ALL)e_z  rms error on redshift ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)l_EWLya+NV (char) Limit flag on EWLya+NV ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  (1)EWLya+NV nm (n) Approximate rest-frame Ly{alpha}+NV equivalent width, ±30% (time.equinox;(unassigned);arith.factor;phys.at.moment.magnetic;meta.main)
  (1)u_EWLya+NV (char) [?] Uncertainty flag on EWLya+NV ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  (1)DA  Continuum decrement across Ly{alpha} line (Section 4.1.2 of the paper) ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.element;meta.main)
   (ALL)Notes (char) Notes ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
   (ALL)FIRST (char) Show FIRST data ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion)
  (2)Type (char) [QGS?*] Type of object (Q = QSO, G = Galaxy, ? = probable galaxy, * = star, S not explained) ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 3