Other
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004bdmh.confe..82k&link_type=abstract
"Proceedings of "Baryons in Dark Matter Halos". Novigrad, Croatia, 5-9 Oct 2004. Editors: R. Dettmar, U. Klein, P. Salucci. Publ
Other
Scientific paper
We have developed numerical models in order to understand properties of clusters of galaxies, especially the metal enrichment of the intra-cluster gas (Domainko et al. 2004, [3]). Here we present the numerical treatment of the dark matter component (DM) and the galaxy formation process in these combined N-body and hydrodynamic simulations. We study galaxy formation by identifying dark matter haloes and assigning a galaxy to them in a semi-numerical way. Vari- ations of different model parameters, like feedback or parameters related to the strength of star bursts, change the distribution of the baryonic matter in the dark matter halo, influencing galaxy properties and therefore also the enrichment of the intra-cluster medium (ICM). Clusters of galaxies consist of many complex physical objects, which are all interacting with each other, so numerical simulations are probably the best route to a better theoretical understanding. One unresolved issue is the origin of the heavy elements in the ICM. Neither the efficiency nor the time dependences of any proposed enrichment process, such as ram-pressure stripping or galactic winds, are known in detail. We aim at investigating this problem using our simulation method.
Domainko Wilfried
Kampen Elco van
Kapferer Wolfgang
Kimenswenger S.
Kronberger Thomas
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