Statistics – Computation
Scientific paper
Oct 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...237..461j&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 237, no. 2, Oct. 1990, p. 461-470.
Statistics
Computation
1
Gas Dynamics, Gravitational Effects, Interstellar Gas, Interstellar Magnetic Fields, Magnetohydrodynamics, Computational Astrophysics, Cosmic Plasma, Gas Density, Interstellar Matter, Velocity Distribution
Scientific paper
The gravitational interaction between stars and interstellar gas is investigated under the influence of an interstellar magnetic field (IMF). In the present paper the interstellar matter (IM) is considered as a two-component gas consisting of plasma and neutrals. The velocity and density fluctuations of the IM, induced by the system of stars, are modified due to the influence of the IMF. One aspect of the influence of the IMF is, that there are also perturbations perpendicular to the wave propagation, in constrast to the case without the IMF. Because of these perturbations the mean square of the velocity fluctuations is twice what it is in the case without IMF. Equations for the fluctuations of an interacting two-component gas are derived in a framework of a linearized theory.
Deiss Bruno M.
Jacobi Shimshon
Just Andreas
Kegel Wilhelm H.
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