Stationary orbits of satellites of disk galaxies

Details Stationary orbits of satellites of disk galaxies Stationary orbits of satellites of disk galaxies

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..195p&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, March 1988, p. 195-201. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

1

Circular Orbits, Disk Galaxies, Natural Satellites, Orbit Calculation, Stellar Systems, Celestial Mechanics, Halos

Scientific paper

The balance condition for the opposited directed forces of dynamical friction on a galactic satellite from a stellar disk and halo makes it possible to calculate the position of the stationary nearly circular orbit of a disk galaxy's satellite. For a large range of parameters of real galaxies and satellites the orbital radius falls in a narrow interval R = 1.2-1.4 (R = 1 - a stellar disk radius), which corresponds to observations.

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