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Prog. Theor. Phys. Supplement No.169 (2007) pp. 33-36

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Suzaku Observation of Abell 2204: Galaxy Cluster Gas Temperature Measurement Up to the Virial Radius

Thomas H. Reiprich,1 Daniel S. Hudson,1 Oxana-Elena Nenestyan,1 Kosuke Sato,2 Yoshitaka Ishisaki,2 Akio Hoshino,2 Takaya Ohashi,2 Naomi Ota,3 Yutaka Fujita4 and Günther Hasinger5

1Argelander-Institut für Astronomie, Auf dem Hügel 71, 53121 Bonn, Germany
2Department of Physics, Tokyo Metropolitan University, Hachioji 192-0397, Japan
3Institute of Space and Astronautical Science (ISAS/JAXA), Sagamihara 229-8510, Japan
4Department of Earth and Space Science, Graduate School of Science,
Osaka University, Toyonaka 560-0043, Japan
5Max-Planck-Institut für extraterrestrische Physik, 85748 Garching, Germany

Abstract:

Measurements of the intracluster gas temperatures out to large radii, where much of the cluster mass resides, are of the utmost importance for the use of clusters in precision cosmology and for studies of cluster physics. Previous attempts to measure temperatures at the cluster virial radius have failed. The preliminary results from the Suzaku observation of Abell 2204 reported here show that such measurements appear feasible now for the first time, if care is taken to account for background and PSF effects.


URL : http://ptp.ipap.jp/link?PTPS/169/33/
DOI : 10.1143/PTPS.169.33

[ Full Text PDF : FREE ACCESS (259K) ] Citation:


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Citing Article(s) :

  1. Progress of Theoretical Physics Supplement No.169 (2007) pp. 65-70 :
    Summary of the Conference Papers on Clusters of Galaxies
    Takaya Ohashi and J. Patrick Henry