Astronomy and Astrophysics – Astronomy
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002newar..46...67c&link_type=abstract
New Astronomy Reviews, Volume 46, Issue 2-7, p. 67-70.
Astronomy and Astrophysics
Astronomy
Scientific paper
We present a theoretical model for the propagation of extragalactic jets, taking into account the detailed expansion of the lobe surrounding the jet. Numerical simulations of hydrodynamic supersonic jets have been carried out and different features of the jet propagation not present in most analytical treatments are incorporated into the model. In particular, we describe the pressure gradient inside the lobes and point out its implications in face of the suggestions that the lateral shock wave would be responsible for the optical emission and the triggering of star formation in the neighborhood of compact radio sources. The numerical simulations are also used to test the validity of the model. This procedure is expected to improve our description of the jet propagation phenomenon.
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