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The Motions of Clusters and Groups of Galaxies
Neta A. Bahcall, Mirt Gramann, Renyue Cen
The distributions of peculiar velocities of rich clusters and of groups of galaxies are investigated for different cosmological models and are compared with observations. Four cosm…
Velocity Correlations of Galaxy Clusters
Renyue Cen, Neta A. Bahcall, Mirt Gramann
We determine the velocity correlation function, pairwise peculiar velocity difference, and root-mean-square pairwise peculiar velocity dispersion of rich clusters of galaxies, as a…
Probing the Large-Scale Velocity Field with Clusters of Galaxies
Neta A. Bahcall, Renyue Cen, Mirt Gramann
What is the role of clusters of galaxies in probing the large-scale velocity field of the universe? We investigate the distribution of peculiar velocities of clusters of galaxies i…
The Motions of Clusters and Groups of Galaxies
Neta A. Bahcall, Mirt Gramann, Renyue Cen
The distributions of peculiar velocities of rich clusters and of groups of galaxies are investigated for different cosmological models and are compared with observations. Four cosm…
The Correlation Function of Flux-Limited X-Ray Clusters
Neta A. Bahcall, Renyue Cen
We show that the spatial correlation function of a flux-limited sample of X-ray selected clusters of galaxies will exhibit a correlation scale that is smaller than the correlation…