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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

  High redshift cosmic web with quasar systems (Einasto+, 2014)
Post annotation
1.J/A+A/568/A46/qsosAll quasars and their parent system at linking lengths of 20, 30, 40, 50, 60, 70 and 80Mpc (76309 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  IDqso  (i) [61/25011] ID of quasar (our list number) (;meta.main)
  IDsys   [0/4536] ID of quasar system (
  Nqso   [1/920] Number of quasars in the system (meta.number)
  Nsys  Number of different parent clusters this QSO is involved (meta.number)
  LL Mpc (n)(i) Linking length used in friend-of-friends algorithm (20, 30, 40, 50, 60, 70 or 80Mpc) (stat.param)
  RAJ2000 deg (i) Right ascension of a quasar (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination of a quasar (J2000) (pos.eq.dec;meta.main)
  lambda deg [-55/55] SDSS Survey coordinate of a quasar (pos.frame)
  eta deg [-33/35] SDSS Survey coordinate of a quasar (pos.frame)
  zqso   [1/1.8] Redshift of a quasar (src.redshift;pos.heliocentric)
  imag mag i-magnitude of quasar (phot.mag;em.opt.I)
  Best  SDSS-DR7 BestObjID (
  Spec  SDSS-DR7 SpecObjID (
  Sloan  Display the online SDSS data for the nearest object (meta.ref.url)

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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