The formation histories of galaxy clusters
A sample of hundreds of simulated galaxy clusters is used to study the statistical properties of galaxy cluster formation. Individual assembly histories are discussed, the degree of virialization is demonstrated and various commonly used formation times are measured and inter-compared. In addition,...
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| Veröffentlicht in: | Astroparticle physics 2005-12, Vol.24 (4), p.316-333 |
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| container_end_page | 333 |
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| container_title | Astroparticle physics |
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| creator | Cohn, J.D. White, Martin |
| description | A sample of hundreds of simulated galaxy clusters is used to study the statistical properties of galaxy cluster formation. Individual assembly histories are discussed, the degree of virialization is demonstrated and various commonly used formation times are measured and inter-compared. In addition, the fraction of clusters which have “recently” undergone a major merger or significant mass jump is calculated as a function of lookback time and interval. The fraction of three- and four-body mergers is also studied. |
| doi_str_mv | 10.1016/j.astropartphys.2005.07.006 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0927-6505 |
| ispartof | Astroparticle physics, 2005-12, Vol.24 (4), p.316-333 |
| issn | 0927-6505 1873-2852 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_29065338 |
| source | Elsevier ScienceDirect Journals |
| subjects | Cosmology Formation times Galaxy clusters Mergers |
| title | The formation histories of galaxy clusters |
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