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On the Location of Gas Streams in Algol Systems

Published online by Cambridge University Press:  14 August 2015

K. Walter
K. Walter*
Affiliation:
Astronomical Institute of the University of Tübingen Federal Republic of Germany

Extract

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Seven years ago, at the Parksville Symposium, I reported on first results obtained from light curves of typical Algol systems which were discussed according to principles taking into account the presence of gas streams. According to this modified method the reflection parameter is derived from parts of the light curve outside eclipses which are least influenced by gas stream effects. Light curves rectified in this manner, or expressed more exactly, roughly released from reflection and ellipticity effects, only in parts display a horizontal course, in the surplus in intensity after primary eclipse and by part also before it. This indicates an additional light source visible during about half the orbital period. On the preceding side of the primary eclipse a loss in intensity is frequently also observed, which is caused by absorption effects of the gas stream, and often overlaps the surplus intensity.

Type
V. Algol and Algols
Information
Symposium - International Astronomical Union , Volume 88: Close Binary Stars: Observations and Interpretation , 1980 , pp. 305 - 310
Copyright
Copyright © Reidel 1980 

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