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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/A+A/568/A46
  High redshift cosmic web with quasar systems (Einasto+, 2014)
ReadMe+ftp
2014A&A...568A..46E
Similar Catalogs
Post annotation 		img(gal)
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)

Simple ConstraintList Of Constraints
 
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.id;meta.main)
  IDsys   [0/4536] ID of quasar system (meta.id.parent)
  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 (meta.id)
  Spec  SDSS-DR7 SpecObjID (meta.id)
  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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