XMM-Newton reveals the origin of elements in clusters of galaxies
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Image courtesy of J.S. Kaastra, J. de Plaa and N. Werner, SRON, Netherlands and ESA.
(for details, see Conditions of Use).
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About this Image
Upper panels show X-ray images of the clusters of galaxies 2A 0335+096 and SÚrsic 159-03 obtained with XMM-Newton EPIC cameras.
Lower panels show the radial distribution of iron and silicon in these clusters and, in the central graphic, the line spectrum of the hot intra-cluster medium in the cluster 2A 0335+096,
obtained in a deep 130 ks observation with the EPIC camera.
While iron is produced mainly by type Ia
supernovae, the silicon is produced by both supernova types. The
distribution of silicon relative to iron is in these two clusters very
different. The different radial distribution of iron and silicon show that these two clusters had a different evolution.
Investigator(s): J.S. Kaastra, J. de Plaa and N. Werner
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