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      Radio Mode Outbursts in Giant Elliptical Galaxies

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          Abstract

          Outbursts from active galactic nuclei (AGN) affect the hot atmospheres of isolated giant elliptical galaxies (gE's), as well as those in groups and clusters of galaxies. Chandra observations of a sample of nearby gE's show that the average power of AGN outbursts is sufficient to stop their hot atmospheres from cooling and forming stars, consistent with radio mode feedback models. The outbursts are intermittent, with duty cycles that increases with size.

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          The heating of gas in a galaxy cluster by X-ray cavities and large-scale shock fronts

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            Author and article information

            Journal
            09 September 2009
            Article
            10.1063/1.3293033
            0909.1809
            05dd80d7-e4b1-40b2-8d2e-e9607cc5ae6c

            http://arxiv.org/licenses/nonexclusive-distrib/1.0/

            History
            Custom metadata
            4 pages, 3 figures, to appear in proceedings of "The Monster's Fiery Breath", Eds. Sebastian Heinz & Eric Wilcots (AIP conference series)
            astro-ph.GA astro-ph.CO

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