Astronomy and Astrophysics – Astrophysics
Scientific paper
1997-01-27
Astronomy and Astrophysics
Astrophysics
13 pages; figures included in 0.33 M postscript file; in Supersoft X-ray Sources, ed. J. Greiner (Springer-Verlag: Berlin) (19
Scientific paper
The ability to perform detailed evolutionary calculations is essential to the development of a well-defined and testable binary model. Unfortunately, traditional evolutionary calculations cannot be used to follow a significant fraction of possible close-binary supersoft sources (CBSSs). It is therefore important to examine the input physics carefully, to be sure that all relevant and potentially important physical processes are included. In this paper we continue a line of research begun last year, and explore the role that winds are expected to play in the evolution of CBSSs. We find that at least a subset of the systems that seemed to be candidates for common envelope evolution may survive, if radiation emitted by white dwarf drives winds from the system. We study the effects of winds on the binary evolution of CBSSs, and compute the number and characteristics of CBSSs expected to be presently active in galaxies such as our own or M31.
Di Stefano Rosanne
Nelson Lorne Archie
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