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The Stochasticity of Motions in the Triplets of Stars and Galaxies

Published online by Cambridge University Press:  12 April 2016

J.P. Anosova ,
L.G. Kiseleva ,
A.D. Chernin ,
A.V. Ivanov  and
V.V. Orlov

Abstract

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The dynamical instability of motions is studied numerically for the triplets of stars and galaxies. The models of equal-mass components which are in rest initially, are investigated. The divergence of initially near by trajectories close to exponential one is observed in the configurational as well as the phase space. The characteristic time of such divergenee is less for the configurations which are initially hierarchical. The presence of significant dark matter distributed over the whole volume of system speeds up the rate of stochastisation considerably.

Type
Part II Ergodic and Stochastic Motion
Information
International Astronomical Union Colloquium , Volume 132: Instability, Chaos and Predictability in Celestial Mechanics and Stellar Dynamics , 1993 , pp. 105 - 112
Copyright
Copyright © Nova Science Publishers 1993

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