Heating and Chemical Enrichment in the Core of the Antlia Cluster

Details Heating and Chemical Enrichment in the Core of the Antlia Cluster Heating and Chemical Enrichment in the Core of the Antlia Cluster

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011scgg.conf...21h&link_type=abstract

"Structure in Clusters and Groups of Galaxies in the Chandra Era, 2011 Chandra Science Workshop held July 12-14, 2011. Edited by

Physics

Scientific paper

The dynamical processes responsible for heating and chemical enrichment of the ICM depend upon the environment and thus the cluster's evolutionary stage. These processes create distinct X-ray signatures in the hot cluster gas. We use a 53 ks XMM exposure of the core of the Antlia cluster, a galaxy cluster in an intermediate merger stage without a cool core, to study the transport of energy and metals throughout the ICM. We construct density, temperature, pressure, entropy and abundance maps to identify gas motions and heat flows, relate these motions to metal abundance ratios and gradients, and test simple models for chemical enrichment and heating of the Antlia cluster gas.

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