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Space Research Institute (IKI) Seminar

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"Stability of cold fronts in clusters of galaxies"

E. Churazov (IKI, MPA)

Abstract:

One of the insteresting results of Chandra and XMM-Newton observatories is the discovery of sharp structures in the X-ray surface brightness of galaxy clusters. These structures (a.k.a. cold fronts) are likely associated with the contacted discontinuities formed when a hot gas flows over a colder gravitationally bound gas cloud. The stability of these discontinuities is discussed.