The Role of Star Formation in Radio-Loud Galaxy Groups

Details The Role of Star Formation in Radio-Loud Galaxy Groups The Role of Star Formation in Radio-Loud Galaxy Groups

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543626h&link_type=abstract

American Astronomical Society, AAS Meeting #215, #436.26; Bulletin of the American Astronomical Society, Vol. 42, p.388

Astronomy and Astrophysics

Astronomy

Scientific paper

X-ray observations have shown that additional non-gravitational processes are required to explain the heating of the intergalactic medium in galaxy groups. The two most likely processes are galactic outflows from starbursts and feedback from AGN. Here, we look at star formation as a possible additional heating mechanism in X-ray luminous groups such as NGC 741, NGC 1052, NGC 524, and NGC 1587. We report on the results of optical imaging of these groups carried out using the WIYN 3.5m telescope with a specific emphasis on measuring the star formation rates of the resident galaxies in each group and estimating the impact of that star formation on the thermodynamics of the intragroup medium.

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