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Chandra and XMM Observations of Galaxy Groups: The Influence of Central AGN at the Low End of the Cluster Mass Scale

Published online by Cambridge University Press:  01 August 2006

J. M. Vrtilek ,
E. J. O'Sullivan  and
L. P. David
J. M. Vrtilek
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 0218, USA
E. J. O'Sullivan
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 0218, USA
L. P. David
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 0218, USA
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Abstract

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Chandra and XMM, offering between them high angular resolution, substantial collecting area, and spatially-resolved spectroscopy at good spectral resolution, have given us the means to discover hitherto unanticipated phenomena, in groups as in clusters, and to explore a new set of issues that bring us closer to understanding the formation and evolution of groups and their constituent galaxies: the distribution of heavy elements, the presence of X-ray cavities and their relation to radio observations, the nature of cooling cores, and X-ray signatures of recent galaxy interactions. We here show Chandra and XMM data selected to illustrate recent results regarding some of these themes.

References

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