Dark matter and the dynamics of the Local Group

Details Dark matter and the dynamics of the Local Group Dark matter and the dynamics of the Local Group

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16.1059n&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, Dec. 1990, p. 1059-1065. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Astronomical Models, Dark Matter, Galactic Structure, Stellar Mass, Andromeda Galaxy, Dynamic Models, Milky Way Galaxy, Spatial Distribution, Stellar Coronas

Scientific paper

A set of dynamical models is developed for the Local Group to estimate the amount and possible spatial distribution of dark matter in it. Comparison with observational data shows that the mass of dark matter is as much as 5 to 10 times the total stellar masses of the galaxies in the Group. Arguments are also given for the dark matter being mainly in individual coronae of the two major galaxies in the Group (Andromeda and the Milky Way) rather than in a common corona of the Local Group as a whole.

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