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Eclipses in V444 Cygni: analysis of the continuum λ 4244 Å light-curve on a class of non-negative monotonically decreasing concaved/convex functions

Published online by Cambridge University Press:  25 May 2016

Igor I. Antokhin  and
Anatol M. Cherepashchuk
Igor I. Antokhin
Affiliation:
Sternberg State Astronomical Institute, Moscow State University, 119899, Universitetskij pr., 13, Moscow, Russia
Anatol M. Cherepashchuk
Affiliation:
Sternberg State Astronomical Institute, Moscow State University, 119899, Universitetskij pr., 13, Moscow, Russia

Abstract

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A continuum λ 4244 Å light-curve of the eclipsing binary V444 Cyg (WN5+O6) is solved. The results generally agree with the previous ones obtained by Antokhin et al. (1997), with the exception that the conclusion on the slowness of the acceleration in the extended atmosphere of the WR component must be ‘softened’.

Type
Part 1. Basic observational properties of Wolf-Rayet stars and other hot massive stars
Information
Symposium - International Astronomical Union , Volume 193: Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies , 1999 , pp. 58
Copyright
Copyright © Astronomical Society of the Pacific 1999 

References

Antokhin, I.I., Cherepashchuk, A.M., Yagola, A.G. 1997, ApSS 254, 111 (ACY) Google Scholar
Cherepashchuk, A.M., Koenigsberger, G., Marchenko, S.V., Moffat, A.F.J. 1995, A&A 292, 142 Google Scholar