Astronomy and Astrophysics – Astronomy
Scientific paper
May 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.191..417h&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 191, May 1980, p. 417-434. Research supported by the Science Research C
Astronomy and Astrophysics
Astronomy
1
Cosmic Gases, Galactic Evolution, Gas Flow, Intergalactic Media, Mass Transfer, Milky Way Galaxy, Abundance, Galactic Nuclei, Heavy Elements, Shock Wave Propagation, Solar System, Stellar Mass Accretion
Scientific paper
A time-dependent problem with slab symmetry is solved for infall of gas into the Galaxy in the neighbourhood of the sun. The solution is examined for the adiabatic case, in which an outward-moving shock forms leaving behind a quasi-static atmosphere; and for the case when radiative cooling is taken into account, when for some flows thermal instabilities arise which may manifest themselves as high velocity clouds. Finally a flow in which heavy element abundance (and hence cooling) varies with height above the galactic plane is considered.
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