Observations of metals in the intra-cluster medium

Details Observations of metals in the intra-cluster medium Observations of metals in the intra-cluster medium

2008-01-07

arxiv.org/abs/0801.1052v1

Astronomy and Astrophysics

Astrophysics

28 pages, 12 figures, accepted for publication in Space Science Reviews, special issue "Clusters of galaxies: beyond the therm

Scientific paper

10.1007/s11214-008-9320-9

Because of their deep gravitational potential wells, clusters of galaxies retain all the metals produced by the stellar populations of the member galaxies. Most of these metals reside in the hot plasma which dominates the baryon content of clusters. This makes them excellent laboratories for the study of the nucleosynthesis and chemical enrichment history of the Universe. Here we review the history, current possibilities and limitations of the abundance studies, and the present observational status of X-ray measurements of the chemical composition of the intra-cluster medium. We summarise the latest progress in using the abundance patterns in clusters to put constraints on theoretical models of supernovae and we show how cluster abundances provide new insights into the star-formation history of the Universe.

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