Dynamical Evolution of Clusters

  title={Dynamical Evolution of Clusters},
  author={M. R. Girardi and Marino Mezzetti and A. DEVETAK},
We consider a sample of about 50 distant galaxy clusters at z > 0.15 (< z >∼ 0.3), each cluster having at least 10 galaxies with available redshift in the literature. We select member galaxies, analyze the velocity dispersion profiles, and evaluate in a homogeneous way cluster velocity dispersions and virial masses. We apply the same procedures already recently applied on a sample of nearby clusters (z < 0.15) in order to properly analyze the possible dynamical evolution of galaxy clusters. We… CONTINUE READING

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