The Dynamics of Satellite Stellar Systems

  • S. M. Alladin
Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 127)


The motion of a star in a satellite stellar system is governed by the force due to the over-all distribution of matter in the system, the force due to stellar encounters within the system and the tidal force due to the primary stellar system. In this paper we concentrate on the effects of the tidal force. The tidal force puts a limit on the size of the satellite stellar system and leads to a variety of disruptive effects. Bridges and tails observed in interacting galaxies manifest the role of tidal forces in producing peculiar morphological features. If a satellite system of high density moves in the outer parts of the primary, the stars in the outer parts gain energy and the satellite experiences dynamical friction. The work on these phenomena is reviewed. Applications are made to the satellite system of our Galaxy.


Satellite System Globular Cluster Tidal Effect Dynamical Friction Spiral Structure 
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Copyright information

© D. Reidel Publishing Company 1986

Authors and Affiliations

  • S. M. Alladin
    • 1
  1. 1.Centre of Advanced Study in AstronomyOsmania UniversityHyderabadIndia

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