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Title: AGN Feedback in Galaxy Groups: A Joint GMRT/X‐ray Study
Authors: Giacintucci, S.
Vrtilek, J. M.
O’Sullivan, E.
Raychaudhury, S.
David, L. P.
Venturi, T.
Gitti, M.
Dept. of Physics
Keywords: Physics
Issue Date: Dec-2009
Publisher: AIP Publishing
Citation: AIP Conference Proceedings, 1201(1).
Abstract: We present an ongoing study of 18 nearby galaxy groups, chosen for the availability of Chandra and/or XMM‐Newton data and evidence for AGN/hot intragroup gas interaction. We have obtained 235 and 610 MHz observations at the GMRT for all the groups, and 327 and 150 MHz for a few. We discuss two interesting cases—NGC 5044 and AWM 4—which exhibit different kinds of AGN/hot gas interaction. With the help of these examples we show how joining low‐frequency radio data (to track the history of AGN outbursts through emission from aged electron populations) with X‐ray data (to determine the state of hot gas, its disturbances, heating and cooling) can provide a unique insight into the nature of the feedback mechanism in galaxy groups.
ISBN: 978-0-7354-0738-1
Appears in Collections:CONFERENCE PAPERS

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