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Modeling Chandra X-ray Observations of Galaxy Clusters using Cosmological Simulations

Nagai, D. and Kravtsov, A. V. and Vikhlinin, A. (2007) Modeling Chandra X-ray Observations of Galaxy Clusters using Cosmological Simulations. In: Heating Versus Cooling in Galaxies and Clusters of Galaxies. ESO Astrophysics Symposia. Springer , Berlin, pp. 358-364. ISBN 978-3-540-73483-3.

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X-ray observations of galaxy clusters potentially provide powerful cosmological probes if systematics due to our incomplete knowledge of the intracluster medium (ICM) physics are understood and controlled. In this paper, we study the effects of galaxy formation on the properties of the ICM and X-ray observable-mass relations using high-resolution self-consistent cosmological simulations of galaxy clusters and comparing their results with recent Chandra X-ray observations. We show that despite complexities of their formation and uncertainties in their modeling, clusters of galaxies both in observations and numerical simulations are remarkably regular outside of their cores, which holds great promise for their use as cosmological probes.

Item Type:Book Section
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Nagai, D.0000-0002-6766-5942
Additional Information:© 2007 Springer.
Series Name:ESO Astrophysics Symposia
Record Number:CaltechAUTHORS:20101104-104508406
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:20670
Deposited By: Jason Perez
Deposited On:04 Nov 2010 20:01
Last Modified:05 May 2020 20:44

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