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| Paper: |
Hydrodynamic simulations of close triple encounters |
| Volume: |
13, The Formation and Evolution of Star Clusters |
| Page: |
418 |
| Authors: |
McMillan, Stephen L. W.; Cranmer, Steven R.; Shorter, Scott A.; Hernquist, Lars |
| Abstract: |
Tidal binary systems play an important dynamical and observational role in our understanding of globular clusters. However, their very nature means that their interactions with other stars cannot be easily modelled by simple techniques, and hydrodynamical effects are likely to be critical in determining the outcome of those events. We have performed a series of simulations of collisions between close binaries and other cluster members covering a fairly representative range of initial orbital configurations. We find that most 'interesting' three-body encounters actually lead to mergers of two or all three of the stars involved, with around 5-10 percent of the total mass ejected from the triple system (and probably also from the cluster). |
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