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Circumstellar Matter in Algols and Serpentids

Published online by Cambridge University Press:  12 April 2016

Mirek J. Plavec
Mirek J. Plavec*
Affiliation:
Department of Astronomy,University of California, Los Angeles,CA 90024-1562,U.S.A.

Abstract

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A systematic search is reported for phenomena associated with circumstellar matter in interacting binary systems of the Algol and W Serpentis type. Ultraviolet emission lines have been detected by the author in 10 Algols and 6 Serpentids. No conspicuous difference exists between systems with disk accretion and those with direct stream impact. Evidence is indicated that the lines are formed predominantly by scattering in an induced stellar wind. Relative intensity of Fe II and Fe III emissions appears to be correlated with the spectral type of the gainer. It is suggested that in the Serpentids we see a thick disk nearly edge–on, but that the emission lines indicate the nature of the gainer inside.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 107: Algols , 1989 , pp. 95 - 105
Copyright
Copyright © Kluwer 1989

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