Shock-heating by double-lobed radio sources in spiral galaxies

Details Shock-heating by double-lobed radio sources in spiral galaxies Shock-heating by double-lobed radio sources in spiral galaxies

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2433c&link_type=abstract

Chandra Proposal ID #09700570

Physics

Chandra Proposal Id #09700570

Scientific paper

Shock heating by radio galaxies is thought to be an important means of transferring energy from active galactic nuclei to their environments. With recent Chandra observations, we have found evidence for strongly shocked gas surrounding two nearby, low-power radio galaxies, Centaurus A and NGC 3801, with large amounts of energy transferred from the AGN to the galaxy ISM in these systems, which will permanently increase the gas entropy. Although these two known examples of strong shocks both occur in elliptical galaxies, similar radio sources are found in a range of host galaxy types. To investigate the range of environments in which radio-galaxy shock heating can be important, we propose to observe three small, overpressured, double-lobed radio sources in nearby, active spiral galaxies.

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