Tracing Ghost Cavities with Low Frequency Radio Observations

Details Tracing Ghost Cavities with Low Frequency Radio Observations Tracing Ghost Cavities with Low Frequency Radio Observations

2006-12-20

arxiv.org/abs/astro-ph/0612595v1

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures, To appear in the Proceedings of "Heating vs. Cooling in Galaxies and Clusters of Galaxies", eds. H. Boehri

Scientific paper

We present X-ray and multi-frequency radio observations of the central radio sources in several X-ray cavity systems. We show that targeted radio observations are key to determining if the lobes are being actively fed by the central AGN. Low frequency observations provide a unique way to study both the lifecycle of the central radio source as well as its energy input into the ICM over several outburst episodes.

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