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 The ESO Nearby Abell Cluster Survey. II. (Mazure+ 1996)
Post annotation
1.J/A+A/310/31/table1a*Statistical sample of 128 ACO clusters (Note) (142 rows)

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ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  ACO (char) Abell number of cluster (;meta.main)
  n_ACO (char) [ abc] Code (Note 1)   (meta.note)
  Ngal  Number of galaxies in the system (meta.number)
  z  Mean redshift of the system (if Nz=0, the z is photometric estimate) (src.redshift)
  sigma km/s Global velocity dispersion corrected for the effect of 'interlopers' (phys.veloc.dispersion)
  C(ACO)   Background-corrected richness count, from ACO (src.class.richness)
  C(bck)   Background correction applied by ACO to the apparent (raw) richness count (src.class.richness)
  C(3D)   Inferred intrinsic (3D) richness, derived as C(3d)=fmain*(C(ACO)+C(bck)), where fmain is the fraction of measured redshifts residing in the main system (src.class.richness)

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