Summary
We have observed a new, complete, cooling-core sample with the VLA, in order to understand how the massive black hole in the central galaxy interacts with the local cluster plasma. We find that every cooling core is currently being energized by an active radio jet, which has probably been destabilized by its interaction with the cooling core. We argue that current models of cooling-core radio galaxies need to be improved before they can be used to determine the rate at which the jet is heating the cooling core. We also argue that the extended radio haloes we see in many cooling-core clusters need extended, in situ re-energization, which cannot be supplied solely by the central galaxy.
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© 2007 Springer-Verlag Berlin Heidelberg
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Eilek, J., Owen, F. (2007). Radio Galaxies in Cooling Cores: Insights from a Complete Sample. In: Böhringer, H., Pratt, G., Finoguenov, A., Schuecker, P. (eds) Heating versus Cooling in Galaxies and Clusters of Galaxies. Eso Astrophysics Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73484-0_26
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DOI: https://doi.org/10.1007/978-3-540-73484-0_26
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-73483-3
Online ISBN: 978-3-540-73484-0
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