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Enrichment of the Hot Intracluster Medium: Observations

Yamaguchi, H.; Simionescu, A.; Kaastra, J. S. +7 more

Four decades ago, the firm detection of an Fe-K emission feature in the X-ray spectrum of the Perseus cluster revealed the presence of iron in its hot intracluster medium (ICM). With more advanced missions successfully launched over the last 20 years, this discovery has been extended to many other metals and to the hot atmospheres of many other ga…