Homologous evolution of stellar systems after core collapse

Details Homologous evolution of stellar systems after core collapse Homologous evolution of stellar systems after core collapse

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...280..298g&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 280, May 1, 1984, p. 298-312.

Other

63

Binary Stars, Globular Clusters, Gravitational Collapse, Stellar Cores, Stellar Evolution, Stellar Systems, Differential Equations, Neutron Stars, White Dwarf Stars

Scientific paper

The evolution of a system of point masses long after core collapse is studied using a gas model. A one-parameter sequence of near-homologous solutions is found, parameterized by a dimensionless rate of ejection of mass from the center. The central parts of all models closely resemble singular isothermal spheres. A value for the mass-loss parameter is found by assuming that the mass ejection is caused by three-body formation of binaries and their interactions with single stars. If these models can be applied to globular clusters, the time scale for their evolution is a few billion years.

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