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Line formation in the wind of Alpha Cygni

Published online by Cambridge University Press:  12 April 2016

P.B. Kunasz  and
F. Praderie
P.B. Kunasz
Affiliation:
Boulder, Colorado
F. Praderie
Affiliation:
Section d'Astrophys. Obs. Paris, Meudon

Abstract

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We summarize the results of recent IUE observations of the spectra of α Cygni and discuss possible explanations for the Doppler-shifted pure absorption profiles in the resonance lines of the singly ionized metals. The results of detailed modeling for MgII λ 2795, 2802 are presented, and discussed in the context of observations of α Cyg in the radio, infrared, visible, ultraviolet and X-ray parts of the spectrum.

Type
Session III - Winds From Early Type Stars: Theory
Information
International Astronomical Union Colloquium , Volume 59: Effects of Mass Loss on Stellar Evolution , 1981 , pp. 159 - 160
Copyright
Copyright © Reidel 1981