Contact binary models with dissipative heating

Details Contact binary models with dissipative heating Contact binary models with dissipative heating

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...171...95m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 171, no. 1-2, Jan. 1987, p. 95-100.

Astronomy and Astrophysics

Astrophysics

3

Binary Stars, Convective Heat Transfer, Energy Dissipation, Stellar Evolution, Stellar Models, Stellar Temperature, Heating, Light Curve, Stellar Envelopes, Stellar Mass

Scientific paper

The problem of the phenomenon that the components of the observed W UMa systems have nearly equal surface brightnesses is treated. Using numerical calculations based on contact binary evolution code, the suggestion of Hazlehurst (1985), that the so-called 'light-curve paradox' of the theory of W UMa stars can be solved by considering the dissipative heating of the secondary, has been included in structure calculations for some systems. It is found that zero age systems with reasonable light curves can be constructed if the total mass is greater than about 1.6 solar masses.

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