Adding a point mass to a spherical stellar system

Details Adding a point mass to a spherical stellar system Adding a point mass to a spherical stellar system

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.207..511g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 207, April 1, 1984, p. 511-515.

Other

28

Celestial Mechanics, Galactic Nuclei, Orbital Mechanics, Stellar Mass Accretion, Stellar Systems, Anisotropy, Kepler Laws, Radial Velocity, Velocity Distribution

Scientific paper

The authors show that the slow accumulation of mass at the centre of a collisionless stellar system enhances the tangential components of velocity dispersion more than the radial component. However, for an initially isothermal distribution function, the tangentially biased velocity anisotropy that develops in this way does not penetrate to the very centre, where it is generated.

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