Influence of rotation on the evolution of triple systems

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Celestial Mechanics, Dynamic Stability, Rotating Bodies, Three Body Problem, Angular Momentum, Evolution (Development), Virial Coefficients

Scientific paper

The results of numerical simulations of the dynamic evolution of equal-mass three-body systems with negative total energy, nonvanishing angular momentum, random initial configuration, and virial coefficient (k) = 0.2, 0.3, 0.4, or 0.5 are presented in tables and graphs and characterized. A total of 1000 systems is analyzed for each value of k, and it is found that 95 percent of the systems decay following a triple encounter, the rest forming hierarchical stable configurations. The number and closeness of encounters before decay are smaller than in the corresponding nonrotating systems, and both the lower estimate of the decay time and the number of systems not decaying increase with k.

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