Dynamical mass modelling of the Galaxy

Details Dynamical mass modelling of the Galaxy Dynamical mass modelling of the Galaxy

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...201...51r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 201, no. 1, July 1988, p. 51-62.

Statistics

Computation

49

Galactic Evolution, Galactic Mass, Galactic Rotation, Milky Way Galaxy, Astronomical Models, Computational Astrophysics, Dark Matter, Gravitational Fields

Scientific paper

The dynamical evolution of the Galaxy is investigated theoretically by means of numerical simulations. The observational data base for the Galactic rotation curves is briefly described, and the simulation results are presented in extensive tables and graphs and characterized in detail. The best model is found to have a high degree of spherical symmetry, with only a moderate concentration of mass toward the Galactic center, a nearly spherical bulge containing both visible and dark matter, a modified exponential disk of visible matter only, and a dark-matter corona with a density minimum at the center and a hole radius of about 15 kpc.

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