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Full Ionisation in Binary-Binary Scattering

Published online by Cambridge University Press:  01 September 2007

W. L. Sweatman
W. L. Sweatman*
Affiliation:
Institute of Information and Mathematical Sciences, Massey University at Albany, Private Bag 102 904, North Shore 0745, New Zealand email: w.sweatman@massey.ac.nz
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Abstract

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Encounters between binary stars and single stars and between binary stars and other binary stars play a key role in the dynamics of dense stellar systems. In the simple model, in which stars are approximated by point masses, a number of theoretical and numerical results are known. In particular there exist relationships to help to describe the destruction process of binary stars (ionisation) through three-body encounters between binary and single stars. Here we extend these results to the four-body case involving encounters between pairs of binary stars that lead to a disruption of the binaries into single stars.

Keywords

binaries: generalscatteringstellar dynamicscelestial mechanics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S246: Dynamical Evolution of Dense Stellar Systems , September 2007 , pp. 233 - 234
Copyright
Copyright © International Astronomical Union 2008

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