ALGOLS as limits on binary evolution scenaries

Details ALGOLS as limits on binary evolution scenaries ALGOLS as limits on binary evolution scenaries

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ssrv...50..155h&link_type=abstract

(IAU, NSERC, Canadian Institute of Theoretical Astrophysics, et al., Colloquium on Algols, 107th, Sidney, Canada, Aug. 15-19, 19

Astronomy and Astrophysics

Astrophysics

9

Binary Stars, Critical Mass, Mass Transfer, Stellar Evolution, Stellar Mass, Stellar Mass Ejection, Giant Stars, Main Sequence Stars

Scientific paper

Evolutionary scenarios must account for Algol binaries surviving their first phase of mass transfer. The outcome of this phase is dependent upon the rapidity of the initial mass transfer, which can be estimated by calculating the radial response of potential progenitors to mass loss. Limits on the donor's evolutionary state, and its companion mass, can be placed on systems which would transfer mass on a thermal or dynamical timescale. Slower mass transfer rates are necessary for the successful transition to an Algol. Considering 1.5 and 5.0 solar-mass models, the former succeeds in case A and Br systems, while the latter can do so only in case A systems. To evolve into an Algol binary, all systems seem to require initial mass ratios near one.

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