Particle motion in models of close binaries

Details Particle motion in models of close binaries Particle motion in models of close binaries

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976ap%26ss..44...23a&link_type=abstract

Astrophysics and Space Science, vol. 44, Sept. 1976, p. 23-34. Research supported by the Consiglio Nazionale delle Ricerche.

Astronomy and Astrophysics

Astrophysics

Astronomical Models, Binary Stars, Gas Dynamics, Main Sequence Stars, Particle Motion, Stellar Mass Ejection, Hydrogen, Mass Transfer, Nuclear Fusion, Particle Trajectories, Stellar Evolution, Three Body Problem

Scientific paper

The dynamics of gas streams in close binary systems undergoing mass exchange is studied by investigating orbital-plane particle motion in a sequence of evolutionary models for semidetached systems with small or intermediate total masses. Using the computational methods of the restricted three-body problem, a grid of particle orbits whose trajectories correspond to impact with either component, encirclement of the main-sequence star, or escape from the system is obtained by varying the velocity and angle of ejection from the first Lagrangian point. The orbits which result in the cases of core and shell hydrogen burning are discussed along with the possibility of disk formation around the main-sequence star. The theoretical results are compared with observed properties of five close binary systems.

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