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27 April 2024

» arxiv » astro-ph/0502197

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Exploring the Structure of Galaxy Clusters: XMM-Newton observations of the REFLEX-DXL clusters at z~0.3
Y.-Y. Zhang ; H. Boehringer ; A. Finoguenov ; Y. Ikebe ; K. Matsushita ; P. Schuecker ; L. Guzzo ; C. A. Collins ;
Date:	9 Feb 2005
Subject:	astro-ph
Abstract:	The precise determination of global properties of galaxy clusters, and their scaling relations, is a task of prime importance for the use of clusters as cosmological probes. We performed a detailed XMM-Newton study of 14 X-ray luminous REFLEX Survey clusters at z~0.3. We found that the properties of the galaxy clusters show a self-similar behavior at r>0.1r_{vir}. This helps to establish tighter scaling relations. Peculiarities in the individual clusters are important to understand the scatter from the self-similar frame in the cluster central parts.
Source:	arXiv, astro-ph/0502197
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