We consider a sample of about 50 distant clusters at z> 0.15 (<z>=0.3), each cluster having at least 10 galaxies and evaluate in a homogeneus way cluster velocity dispersions and optical virial masses. We apply the same procedures already successfully applied on a sample of nearby clusters in order to properly analyze the possible dynamical evolution of galaxy clusters. We do not find any evidence for an evolution of cluster properties.
Titolo: | Internal Dynamics of Distant Clusters |
Autori: | |
Data di pubblicazione: | 2000 |
Rivista: | |
Abstract: | We consider a sample of about 50 distant clusters at z> 0.15 (<z>=0.3), each cluster having at least 10 galaxies and evaluate in a homogeneus way cluster velocity dispersions and optical virial masses. We apply the same procedures already successfully applied on a sample of nearby clusters in order to properly analyze the possible dynamical evolution of galaxy clusters. We do not find any evidence for an evolution of cluster properties. |
Handle: | http://hdl.handle.net/11368/2634445 |
ISBN: | 1583810277 |
URL: | http://adsabs.harvard.edu/abs/2000ASPC..200..231G |
Appare nelle tipologie: | 4.1 Contributo in Atti Convegno (Proceeding) |
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