Statistics – Computation
Scientific paper
Apr 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...257..505l&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 257, no. 2, p. 505-510.
Statistics
Computation
10
Astronomical Models, Magellanic Clouds, Computational Astrophysics, Gravitational Fields, Interstellar Gas, Ionized Gases, Milky Way Galaxy
Scientific paper
An attempt is made to construct a tentative hydrodynamical model to obtain some knowledge about properties of the Magellanic Stream (MS) and account for the observed features. To explain the main MS characteristics, it is assumed that the MS is a narrow and long column of gas formed in the background of the wake of the Magellanic Clouds (MCs) by the cold H I gas. The mean motion of gas in the column may be treated as a quasi-steady flow in the gravitational fields of the Galaxy and the MCs. It is found that the relation between the average H I surface density and the angular distance along the MS depends on the average velocity half-width of the H I profiles observed in the MS, the total mass of the MCS, and the orbit of the MCs barycenter.
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