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An X-ray Temperature Map of Coma

Ulrich G. Briel, J. Patrick Henry

astro-pharXiv:astro-ph/9711237

Abstract

We present an X-ray temperature map of the Coma cluster of galaxies obtained with the ROSAT PSPC. As expected from the X-ray surface brightness distribution the intracluster gas of Coma is not isothermal. The temperature structure resembles a bow shock of hot gas produced by the passage of the subcluster around NGC 4839 through the main cluster, confirming hydrodynamical simulations.

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