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Metal Enrichment Processes in the ICM – Starbursts and Galactic Winds

  • W. Kapferer (a1), T. Kronberger (a1), W. Domainko (a1), S. Schindler (a1), E. van Kampen (a1), S. Kimeswenger (a1), M. Ruffert (a2), M. Mair (a1) and D. Breitschwerdt (a3)...

Abstract

We present an investigation of the metal enrichment of the intra-cluster medium (ICM) by galactic winds and merger-driven starbursts. We use combined N-body/hydrodynamic simulations with a semi-numerical galaxy formation model. The inhomogeneities in the metal distribution caused by these processes are an ideal tool to reveal the dynamical state of a galaxy cluster. We show that X-ray weighted metal maps distinguish between pre- or post-merger galaxy clusters by comparing the metallicity distribution with the galaxy-density distribution: pre-mergers have a metallicity gap between the subclusters, post-mergers a high metallicity between subclusters.

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References

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Kapferer, W. 2006, A&A, 447, 827.
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Metal Enrichment Processes in the ICM – Starbursts and Galactic Winds

  • W. Kapferer (a1), T. Kronberger (a1), W. Domainko (a1), S. Schindler (a1), E. van Kampen (a1), S. Kimeswenger (a1), M. Ruffert (a2), M. Mair (a1) and D. Breitschwerdt (a3)...

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