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Common envelope binaries and mass loss

Published online by Cambridge University Press:  14 August 2015

A. Delgado
A. Delgado*
Affiliation:
MPI für Physik und Astrophysik, Föhringer Ring 6, 8 München 40, FRG

Abstract

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In this work we calculate the evolution of a binary system with a common envelope, which consists of a blue supergiant and a neutron star. We consider as a free parameter the effectivity with which the energy liberated at the orbit produces mass loss from the system.

The evolutionary calculations were made, using various values of this parameter, for a system with mass ratio 25:1. As initial state we choose a model in the phase of Hydrogen-shell burning, before and after the begin of Helium-burning in the core.

We found that, under certain conditions, it is possible for the radius of the orbit and the period of the system to increase; the time scale for the “spiral-in” would be of the order of 104-105 years. Mass loss rates are between 10−3 M⊙/y and 10−4 M⊙/y.

Type
Session 7: Evolution with Mass Loss: Double Stars
Information
Symposium - International Astronomical Union , Volume 83: Mass Loss and Evolution of O-Type Stars , 1979 , pp. 415 - 420
Copyright
Copyright © Reidel 1979 

References

Bondi, H. and Hoyle, F., 1944. Monthly Notices Roy. Astr. Soc. 104, 273.Google Scholar
Firmani, C., this volume.Google Scholar
Chau, W.Y., Henriksen, R.N. and Alexander, M.E., 1974. Bull. of the American Astron. Soc. 6, 488.Google Scholar
de Gréve, J.P., de Loore, C., Sutantyo, W., 1975. Astroph. and Space Sci. 38, 301.Google Scholar
Heuvel, E.P.J. van den and Heise, J., 1972. Nature Phys.-Sci. 239, 67.Google Scholar
Heuvel, E.P.J. van den, 1976. IAU Symposium No 73 (ed. Eggleton, P., Mitton, S. and Whelan, J.), D. Reidel, Dordrecht-Holland.Google Scholar
Kippenhahn, R., Weigert, A. and Hofmeister, E., 1976. Methods in Computational Physics 77, 129.Google Scholar
Kippenhahn, R. and Weigert, A., 1967. Z. Astrophys. 65, 251.Google Scholar
Paczynski, B., 1976. IAU Symposium No. 73 (ed. Eggleton, P., Mitton, S. and Whelan, J.), D. Reidel, Dordrecht-Holland.Google Scholar
Sparks, W.M., Stetcher, P.T., 1974. Astroph. J. 188, 149.Google Scholar
Taam, R.E., Bodenheimer, P., Ostriker, J.P., 1978. Astroph. J. 222, 269.Google Scholar
Thomas, H.-C., 1977. Ann. Rev. of Astron. and Astroph. 15, 127.CrossRefGoogle Scholar
Tutukov, A., this volume.Google Scholar