Evidence for the Existence of Mass-Exchange Binary Be Stars from Periodic Spectral Variations

Peters, Geraldine J.

doi:10.1007/978-94-010-1498-4_47

Geraldine J. Peters²

Part of the book series: International Astronomical Union/Union Astronomique Internationale ((IAUS,volume 70))

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Abstract

In this paper, we discuss the Be stars which show recurrent shell structure and/or cyclic variations in the profiles of their emission lines with periods near 100^d and, thus, are good candidates for interacting binaries undergoing mass-exchange. The periodic spectral variations observed in the B1e star HR 2142 are reviewed and brought up to date in the light of recent observations. HR 2142 is then compared with other periodic binary Be stars (AX Mon, 17 Lep, HD 218393, HD 173219, and Φ Per) in order to point out the wide variance in observed spectra which interacting binaries can display.

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Authors and Affiliations

Dept. of Astronomy, University of California, Calif., Los Angeles, USA
Geraldine J. Peters

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Geraldine J. Peters
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Perkins Observatory, Ohio State and Ohio Wesleyan Universities, Delaware, Ohio, USA
Arne Slettebak (Chairman) (Chairman)

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Peters, G.J. (1976). Evidence for the Existence of Mass-Exchange Binary Be Stars from Periodic Spectral Variations. In: Slettebak, A. (eds) Be and Shell Stars. International Astronomical Union/Union Astronomique Internationale, vol 70. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-1498-4_47

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DOI: https://doi.org/10.1007/978-94-010-1498-4_47
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-277-0700-0
Online ISBN: 978-94-010-1498-4
eBook Packages: Springer Book Archive

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