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VizieR

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

  
Target dimension:

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J/A+A/568/A46
  High redshift cosmic web with quasar systems (Einasto+, 2014)
Post annotation
img(gal)
1.J/A+A/568/A46/qsos(c)All quasars and their parent system at linking lengths of 20, 30, 40, 50, 60, 70 and 80Mpc (76309 rows)
2.J/A+A/568/A46/qso20fof(c)Quasar system table at linking length 20Mpc (593 rows)
3.J/A+A/568/A46/qso30fof(c)Quasar system table at linking length 30Mpc (1590 rows)
4.J/A+A/568/A46/qso40fof(c)Quasar system table at linking length 40Mpc (2852 rows)
5.J/A+A/568/A46/qso50fof(c)Quasar system table at linking length 50Mpc (4064 rows)
6.J/A+A/568/A46/qso60fof(c)Quasar system table at linking length 60Mpc (4536 rows)
7.J/A+A/568/A46/qso70fof(c)Quasar system table at linking length 70Mpc (3885 rows)
8.J/A+A/568/A46/qso80fof(c)Quasar system table at linking length 80Mpc (2222 rows)
Help Xmatch is

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

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Best  SDSS-DR7 BestObjID (meta.id)
  (1)Spec  SDSS-DR7 SpecObjID (meta.id)
  (1)Sloan (char) Display the online SDSS data for the nearest object (meta.ref.url)
  (2+3+4+5+6+7+8)Dist Mpc Co-moving distance of a system centre (Note 1)   (pos.distance)
  (2+3+4+5+6+7+8)Diam Mpc [1/2067] Diameter of a system (Note 1)   (phys.size.diameter)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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