Encounters of binaries. III - Fly-bys

Details Encounters of binaries. III - Fly-bys Encounters of binaries. III - Fly-bys

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.208...75m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 208, May 1, 1984, p. 75-82.

Astronomy and Astrophysics

Astronomy

34

Binary Stars, Encounters, Perturbation Theory, Three Body Problem, Computerized Simulation, Degrees Of Freedom, Energy Transfer, Stellar Gravitation

Scientific paper

Numerical integrations of encounters of pairs of binaries have been used to study the class of interactions, called fly-bys, in which the two-binary configuration survives. It is shown that these typically weak interactions can be treated by means of a first-order perturbation theory. A simple simulation model for obtaining the energy transfer rate between various degrees of freedom has been constructed. The model was employed to estimate the additional energy transfer arising from impact parameters larger than those used in the numerical experiments. In the hard binary limit the total energy transfer caused by binary-binary encounters is dominated by the collisional interactions in which the two-binary configuration is destroyed.

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