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Stationary Orbits of Satellites of Disk Galaxies

Published online by Cambridge University Press:  12 April 2016

Valerij L. Polyachenko
Valerij L. Polyachenko*
Affiliation:
Astronomical Council of the Academy of Sciences of the USSR

Abstract

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The satellite of an S-galaxy will experience opposing dynamical-friction forces from the stars of the disk and the halo. If these forces are in balance, the satellite may travel in a stable, near-circular orbit whose radius, for a wide range of physical parameters, should be limited to a zone 1.2 to 1.4 times the disk radius, much as is observed.

Type
IX. Theory of Interaction Stimulated Effects
Information
International Astronomical Union Colloquium , Volume 124: Paired and Interacting Galaxies , 1990 , pp. 705 - 710
Copyright
Copyright © NASA 1990

References

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