Expanding hydrodynamical jets crossing a galactic halo/intergalactic medium interface

Details Expanding hydrodynamical jets crossing a galactic halo/intergalactic medium interface Expanding hydrodynamical jets crossing a galactic halo/intergalactic medium interface

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...350..545w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 350, Feb. 20, 1990, p. 545-560. Research supported by NASA and Georgia Stat

Statistics

Computation

31

Computational Astrophysics, Halos, Hydrodynamic Equations, Intergalactic Media, Radio Galaxies, Radio Jets (Astronomy), Bow Waves, Magnetohydrodynamics, Shock Waves, Spectral Energy Distribution, Two Dimensional Models

Scientific paper

Parameters within ranges that are plausible for radio sources are presently used to perform two-dimensional hydrodynamical calculations of axisymmetric, initially conical, jets whose initial propagation is through isothermal galactic halos with power-law density distributions; these emerge across a pressure-matched interface into a hotter, but less dense medium whose parameters are typical of an intracluster or intergalactic gas. Upon crossing this interface, the jets accelerate and focused toward cylindrical shapes having long, narrow cocoons.

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