The evolution of binary stars into contact states

Details The evolution of binary stars into contact states The evolution of binary stars into contact states

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ssrv...50..289h&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

17

B Stars, Binary Stars, Light Curve, O Stars, Stellar Evolution, Stellar Mass, Mass Transfer, Stellar Orbits

Scientific paper

Good-quality empirical results on 62 short-period binary stars recently summarized by Hilditch & Bell (1987) and Hilditch, King & McFarlane (1988) are discussed in terms of evolutionary paths from detached to semidetached and contact states. These data suggest two evolutionary paths to the contact binaries - from detached systems directly into contact to form initially shallow-contact systems, and via case A mass transfer to semidetached states, then to contact systems. These empirical results support previous arguments based on evolutionary models and less detailed observational data.

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