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Ultraviolet Fe II Absorption Lines in HD 59643

Published online by Cambridge University Press:  12 April 2016

Joel A. Eaton
Joel A. Eaton*
Affiliation:
Indiana UniversityBloominton, IN, U.S.A

Abstract

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The peculiar red giant HD 59643 (C6,2) has a composite spectrum like a symbiotic star’s except for the absence of highly ionized species. UV observations show a highly variable hot continuum with superimposed absorptions of Fe II and the common emission lines of C IV, Si III], C III], C II], and Mg II. These Fe II absorptions, which are practically ubiquitous in interacting binaries, are an effective diagnostic of turbulence and distribution of scattering gas, even at low resolution.

Type
Session 1. The Basic Data
Information
International Astronomical Union Colloquium , Volume 103: The Symbiotic Phenomenon , 1988 , pp. 25 - 26
Copyright
Copyright © Kluwer 1988

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