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Short-lived and Long-lived Outbursts in B and Be Stars from Hipparcos Photometry and Modelling

Published online by Cambridge University Press:  12 April 2016

A. M. Hubert ,
M. Floquet  and
J. Zorec
A. M. Hubert
Affiliation:
Dasgal, UMR8633 du CNRS, Observatoire de Paris-Meudon, F-92195 Meudon, France
M. Floquet
Affiliation:
Dasgal, UMR8633 du CNRS, Observatoire de Paris-Meudon, F-92195 Meudon, France
J. Zorec
Affiliation:
Institut d’Astrophysique de Paris - CNRS, 98bis Bd Arago, 75014-Paris, France

Abstract

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The number of Be stars which showed short- and long-lived outbursts during the Hipparcos photometric survey, previously reported in Hubert and Floquet (1998), have been increased by examination of light curves of fainter objects. Long-lived outbursts have been modelled as being due to an ejected layer/slab which becomes gradually diluted.

Information

Type
4. Aperiodic Variations
Information
International Astronomical Union Colloquium , Volume 175: The Be Phenomenon in Early-Type Stars , 2000 , pp. 348 - 351
Copyright
Copyright © Astronomical Society of the Pacific 2000

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