Atmospheric Eclipses in Wr+o Binaries: From Kopal and Shapley to Present Days |
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| Authors: | A M Cherepashchuk |
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| Institution: | (1) Sternberg State Astronomical Institute, Universitetskij Prosp., 13, Moscow, 119992, Russia |
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| Abstract: | Kopal and Shapley (1946) were the first to suggest to solve an integral equation for interpretation of atmospheric eclipses
in WR+O binary systems. In our studies, this idea was developed in two ways: solution of two integral equations; development
of efficient methods of solution of ill-posed problems.
Application of the new method to the interpretation of the light curve of the WN5+O6 eclipsing binary V444 Cyg allowed us
to determine the radius and the temperature of the WN5 star core. Some astrophysical applications of these results are presented. |
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| Keywords: | atmospheric eclipse Wolf– Rayet star ill-posed problem helium star black hole neutron star |
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