SIMBAD references

2002AJ....124.1918M - Astron. J., 124, 1918-1933 (2002/October-0)

The MX northern Abell cluster survey II: the Abell/ACO cluster redshifts and spatial analyses.


Abstract (from CDS):

The MX Northern Abell Cluster Survey II is the final stage of a program designed to observe rich Abell clusters with m10≤17.0. We present 1542 new galaxy redshifts within 117 R≥1 Abell cluster fields that have 16.9≤m10≤17.0, 0h≤α≤24h, -17°≤δ≤90°, and|b|≥30°. Of the 117 clusters observed for the MX Survey II, 105 new cluster redshifts were obtained with an average of eight cluster member galaxy redshifts. We update the m10-z estimator for Abell clusters and calculate the spatial number density of Abell clusters to be n{d1}c=(8.25±1.9)x10–6 h3 Mpc–3 within z=0.10. All R≥1 Abell and ACO clusters with measured redshifts were combined to calculate the two-point spatial correlation function ξ(r)=(r/ro)γ for the largest complete sample of rich clusters to date. We find 18.6≤ro≤21.0 h–1 Mpc and -2.03≤γ≤-1.95. The slope and correlation length are very robust and remain unaffected by the exclusion of compact and dense superclusters or by accounting for line-of-sight anisotropies, which are explained by the existence of three observationally confirmed and extended superclusters.

Abstract Copyright:

Journal keyword(s): Galaxies: Clusters: General - Cosmology: Large-Scale Structure of Universe - Surveys

VizieR on-line data: <Available at CDS (J/AJ/124/1918): table1.dat table2.dat refs.dat notes.dat>

Nomenclature: Table 1: [MKB2002] N=1542.

Simbad objects: 2213

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