Stochastic stellar orbits in a pair of interacting galaxies

Details Stochastic stellar orbits in a pair of interacting galaxies Stochastic stellar orbits in a pair of interacting galaxies

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992japa...13..319v&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 13, no. 4, p. 319-326.

Statistics

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2

Interacting Galaxies, Stellar Orbits, Astronomical Models, Computational Astrophysics, Stochastic Processes

Scientific paper

A dynamical model composed of a disk galaxy with an elliptic companion, moving in a circular orbit, is used in order to study the stellar orbits in a binary galaxy. Using the Poincare surface of section we study the evolution of the stochastic regions in the primary galaxy considering the mass of the companion or the value of the Jacobi's integral as a parameter. Our numerical calculations suggest that the regions of stochasticity increase as the mass of the companion or the value of the Jacobi's integral increase. An interesting observation is that only direct orbits become stochastic.

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