New formulation of the theory of finite galactic disks

Details New formulation of the theory of finite galactic disks New formulation of the theory of finite galactic disks

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005gregr..37..837g&link_type=abstract

General Relativity and Gravitation, Volume 37, Issue 4, pp.837-845

Mathematics

Galaxy, Disk, Rotation Curve

Scientific paper

The mathematical theory of thin galactic disks of finite radius is presented in the form of a single surface-density integral which generalizes Toomre’s well-known formula obtained in the case of infinite disks. We also give a very simple formula for the total mass of the finite galactic disk, and introduce a new two-parameter family of flat rotation curves which admits a fully analytic description.

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