2008 Supplement: Frascati Workshop 2007 / Beall

Non-Linear Wave Dynamics in the Jet-Ambient-Medium Interaction

J. H. Beall, J. Guillory, D. V. Rose, S. Schindler, S. Colafrancesco, W. Kapferer


Jets from the central CD galaxy found within galaxy clusters can
propagate to distances of > 100 s of kiloparsecs, thereby interacting
with the intracluster medium. X-ray data of the (intracluster) gas in
galaxy clusters and their interpretations based on numerical modeling
suggest that an additional heating mechanism is required to explain the
dynamics and temperature profile in the intracluster medium (ICM). In
addition to shock heating, star formation, and supernovae, it is
plausible that an additional heating mechanism for the ICM comes from
astrophysical jets originating in the cores of radio galaxies. We
discuss some aspects of these jets, including the mechanisms of their
propagation and energy loss, their constitution, and the non-linear
character of their energy loss processes.


jets active galaxies intracluster medium non-linear dynamics

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