SIMBAD references

2001AJ....122.2222E - Astron. J., 122, 2222-2242 (2001/November-0)

Optical and X-ray clusters as tracers of the supercluster-void network. I. Superclusters of Abell and X-ray clusters.

EINASTO M., EINASTO J., TAGO E., MUELLER V. and ANDERNACH H.

Abstract (from CDS):

We study the distribution of Abell and X-ray-selected clusters of galaxies and derive selection functions of these cluster samples. We find that selection functions and percolation properties of Abell clusters of richness class R=0 and R≥1 are similar; the percolation of X-ray clusters occurs at the same dimensionless radius as the percolation of Abell clusters. We present a new catalog of superclusters of Abell clusters out to a redshift of zlim=0.13, a catalog of X-ray clusters located in superclusters determined by Abell clusters, and a list of additional superclusters of X-ray clusters. We investigate the distribution of X-ray-selected clusters of galaxies with respect to superclusters determined by Abell clusters of galaxies and show that the distribution of X-ray clusters follows the supercluster-void network determined by Abell clusters. We find that X-ray clusters are more strongly clustered than other clusters: the fraction of X-ray clusters is higher in rich superclusters, and the fraction of isolated X-ray clusters is lower than the fraction of isolated Abell clusters. Poor, non-Abell X-ray clusters follow the supercluster-void network as well: these clusters are embedded in superclusters determined by Abell clusters and populate filaments between them.

Abstract Copyright:

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

VizieR on-line data: <Available at CDS (J/AJ/122/2222): tablea1.dat tableb1.dat tableb2.dat>

Nomenclature: Table A1: SCl NNN (Nos 1-300). Table B2: SCl XNN (Nos X1-X19).

Simbad objects: 1467

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