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Title:
The Effect of Mixing on Metallicity Gradients in the Intracluster Medium
Authors:
Brüggen, M.
Affiliation:
AA(International University Bremen, Campus Ring 1, 28759 Bremen, Germany; Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Strasse 1, 85740 Garching bei München, Germany)
Publication:
The Astrophysical Journal, Volume 571, Issue 1, pp. L13-L16. (ApJL Homepage)
Publication Date:
05/2002
Origin:
UCP
Astronomy Keywords:
Galaxies: Cooling Flows, Galaxies: Active, Galaxies: Clusters: General, X-Rays: Galaxies
DOI:
10.1086/341199
Bibliographic Code:
2002ApJ...571L..13B

Abstract

It is generally argued that most clusters of galaxies host cooling flows in which radiative cooling in the center causes a slow inflow. However, recent observations by Chandra and XMM conflict with the predicted cooling flow rates. It has been suggested that radio jets that are situated at the center of clusters of galaxies can assist in reducing the deposition of cold gas. Radio jets inflate cavities of hot radio plasma that rise through the cluster atmosphere and thus stir the intracluster medium. In this Letter, we investigate whether this scenario is consistent with the pronounced metallicity gradients that have been observed in the cores of clusters.
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