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The evolution of groups and clusters

Published online by Cambridge University Press:  12 April 2016

S. Gottlöber ,
A. Klypin ,
A. V. Kravtsov  and
V. Turchaninov
S. Gottlöber
Affiliation:
Astrophysical Institute Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
A. Klypin
Affiliation:
Astronomy Department, NMSU, Dept.4500, Las Cruces, NM 88003-0001, USA
A. V. Kravtsov
Affiliation:
Astronomy Department, NMSU, Dept.4500, Las Cruces, NM 88003-0001, USA
V. Turchaninov
Affiliation:
Keldysh Institute for Applied Mathematics, Miusskaja Ploscad 4, 125047 Moscow, Russia

Abstract

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Using high resolution N-body simulations we study the formation and evolution of clusters and groups in a ΛCDM cosmological model. Groups of galaxies already form before z = 4. Merging of groups and accretion leads to cluster formation at z ≲ 2. Some of the groups merge into large isolated halos.

Type
Part 5. Dark Matter and Clustering
Information
International Astronomical Union Colloquium , Volume 174: Small Galaxy Groups , 2000 , pp. 428 - 433
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

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