Long-term captures of low-mass intruders by binary stars

Details Long-term captures of low-mass intruders by binary stars Long-term captures of low-mass intruders by binary stars

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aj.....88.1857h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 88, Dec. 1983, p. 1857-1867.

Astronomy and Astrophysics

Astronomy

16

Binary Stars, Capture Effect, Celestial Mechanics, Long Term Effects, Orbital Mechanics, Three Body Problem, Black Holes (Astronomy), Comets, Computerized Simulation, Elementary Particle Interactions, Mass Ratios, Systems Stability

Scientific paper

Hills (1983) has used computer simulations to investigate encounters between binaries and low-mass intruders. The present investigation is basically an appendix to the earlier study. The considered encounters describe the interactions between a binary star and an elementary particle background, between a binary black hole in a galactic nucleus and the stellar background, and between a comet and a sun-planet system. A surprising result of the calculations is related to the large fraction of intruders captured into long-lived orbits around the original binary. Attention is given to the computational procedure, the capture probability, the survival probability of intruder orbits, and the distribution of semimajor axes.

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