A comparison of accurate absolute parameters of Algol systems with recent evolutionary models.

Details A comparison of accurate absolute parameters of Algol systems with recent evolutionary models. A comparison of accurate absolute parameters of Algol systems with recent evolutionary models.

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...311..567m&link_type=abstract

Astronomy and Astrophysics, v.311, p.567-571

Astronomy and Astrophysics

Astrophysics

13

Stars: Binary: Eclipsing, Stars: Evolution, Stars: Fundamental Parameters

Scientific paper

We have compiled a list of nine Algol-type binary stars (Algols) for which the observed absolute parameters are based on a self-consistent solution of both the light curve(s) and radial velocity curves for both components, including the effects of non-Keplerian distortions. The properties of these systems are reviewed in the light of recent evolutionary models. We have been able to estimate initial mass ratios for 5 systems and to show that angular momentum loss via a magnetic stellar wind is an important factor in the evolution of all the systems. We conclude that there is a lack of suitable evolutionary models for Algols, particularly those of lower mass.

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