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Ultraviolet Observations of Interacting Binary Be Stars

descriptionPublicationkeyboard_double_arrow_right Article , Part of book or chapter of book , Other literature type 01 Jan 1982 English Publisher:Cambridge University Press (CUP)Journal:Symposium - International Astronomical Union, volume 98, pages 405-409 (issn: 0074-1809,

Authors: Geraldine J. Peters; Ronald S. Polidan;

doi: 10.1017/s0074180900038110 , 10.1007/978-94-009-8565-0_64

Ultraviolet Observations of Interacting Binary Be Stars

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Abstract

Initial results from the analysis of a series of timed, high resolution IUE observations of HR 2142, ϕ Per, CX Dra, KX And, AU Mon, and TT Hya are presented. The data base for HR 2142 also includes Copernicus U1 and U2 observations. Variable absorption lines, indicative of mass flow in the system, are observed in all objects except ϕ Per. We also, in general, find evidence of mass outflow in the form of winds and/or discrete components. We observe variable N V absorption in CX Dra and AU Mon and emission features in KX And and ϕ Per (C IV only). U1 data reveals the presence of complex structure in the gas stream in HR 2142. These observations are compared with those of Be stars which are not thought to be interacting binaries.

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