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Spectral Energy Distribution and Interstellar Reddening (Review Paper)

Published online by Cambridge University Press:  23 September 2016

L. Houziaux  and
J. Manfroid
L. Houziaux
Affiliation:
Institut d'Astrophysique, 4200 Cointe-Ougrée, Belgium
J. Manfroid
Affiliation:
Institut d'Astrophysique, 4200 Cointe-Ougrée, Belgium

Abstract

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We review the recent results on flux distribution of Be stars from 320 to 850nm. It appears that data are available for only 10 to 15 % of the objects recognized as “normal” Be stars. The main current problems appear to be the variability of the continuous radiation, and the correction for interstellar reddening. Various attempts to solve these matters are discussed. We stress the need for fairly high (lnm) resolution spectral scans obtained simultaneously with data in other spectral ranges, repeated at appropriate intervals of time. Such requirements make it necessary to restrict the observing programmes to a limited sample of carefully chosen objects.

Type
III. The Circumstellar Gas
Information
International Astronomical Union Colloquium , Volume 92: Physics of Be Stars , August 1987 , pp. 172 - 191
Copyright
Copyright © Cambridge University Press 1987

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