Rapid binary star evolution for N-body simulations and population synthesis

Details Rapid binary star evolution for N-body simulations and population synthesis Rapid binary star evolution for N-body simulations and population synthesis

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.291..732t&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 291, p. 732

Astronomy and Astrophysics

Astronomy

68

Binary Stars, Stellar Evolution, Stellar Models, Populations, Computerized Simulation

Scientific paper

We present an algorithm for the rapid evolution of binary stars. It is based on simple fitting formulas for the evolution of single stars. Mass loss, mass transfer, and common-envelope evolution are followed with the changes to both the mass donor and the accretor where applicable. We describe a procedure for integrating our formulas and give examples of how we can follow the evolution of Algols and cataclysmic variables. The algorithm can be used for simple binary population synthesis. We also explain how we incorporate it into N-body simulations where we introduce a new scheme that deals with colliding stars.

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