Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20911301v&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #113.01; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
Energetic arguments indicate that AGN should be capable of heating the inner regions of clusters enough to offset radiative cooling; truncating massive galaxy formation and solving the cooling flow problem. We have used high resolution, three dimensional, hydrodynamic simulations to model these interactions. We show that the inclusion of the full jet dynamics (as opposed to modeling the interaction with isotropically inflated bubbles) leads to the formation of low density channels that can, in principle, prevent the thermalization of the jet kinetic energy in the cooling core. Hence, some additional process beyond the simple hydrodynamic interaction of a fixed direction jet is required in order for AGN feedback to successfully offset radiative cooling. We report on work in progress in which the effects of jet precession and thermal conduction are included. This work was partly funded by the Chandra Cycle-5 Theory program under grant TM4-5007X.
Reynolds Chris S.
Vernaleo John C.
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