Hostname: page-component-586b7cd67f-l7hp2 Total loading time: 0 Render date: 2024-11-27T13:05:11.925Z Has data issue: false hasContentIssue false
  • English
  • Français

Spectrophotometric and Photometric Behaviours of Be Stars: the Circumstellar Envelope Formation Mechanisms

Published online by Cambridge University Press:  12 April 2016

J. Zorec ,
A.M. Hubert  and
A. Moujtahid
J. Zorec
Affiliation:
Institut d’Astrophysique de Paris, CNRS, 9bis bd. Arago, F-75014 Paris, France
A.M. Hubert
Affiliation:
Observatoire de Paris-Meudon, DASGAL/UMR 8633 du CNRS, F-92195 Meudon Principal Cedex, France
A. Moujtahid
Affiliation:
Observatoire de Paris-Meudon, DASGAL/UMR 8633 du CNRS, F-92195 Meudon Principal Cedex, France

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

A mechanism to create circumstellar envelopes in Be stars is proposed. The mechanism assumes a mass-loaded wind produced by ablated discrete stellar ejecta. The discrete mass ejections are suggested by the long-term spectrophotometric behaviours of Be stars and by their short and long-lived light outbursts discovered recently.

Type
6. Disks
Information
International Astronomical Union Colloquium , Volume 175: The Be Phenomenon in Early-Type Stars , 2000 , pp. 448 - 451
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Dyson, J.E. 1981, In: Investigating the Universe, (ed.) Kahn, F.D., Reidel Pub. comp. p. 125 Google Scholar
Dyson, J.E., Hartquist, T.W. 1992, Astro. Lett, and Comm. 28, 301 Google Scholar
Floquet, M., Hubert, A.M., Hirata, R. et al. 1999, A&A (to be submitted)Google Scholar
Hartquist, T.W., Dyson, J.E., Pettini, M. et al. 1986, MNRAS 221, 715 Google Scholar
Hubert, A.M., Floquet, M. 1998, A&A 335, 565 Google Scholar
Hubert, A.M., Floquet, M., Zorec, J. 2000, “Short-lived and long-lived outburts in B and Be stars” (this issue)Google Scholar
Mennickent, R.E., Vogt, N., Sterken, C. 1994, A&AS 108, 237 Google Scholar
Moujtahid, A., Zorec, J., Hubert, A.M. 1998, A&AS 129, 289 Google Scholar
Moujtahid, A., Zorec, J., Hubert, A.M. 1999, A&A 349, 151 Google Scholar
Pavlowski, K., Harmanec, P., Božič, H. et al. 1997, A&AS 125, 75 Google Scholar
Percy, J.R., Harlow, J., Hayhoe, K.A.S. et al. 1997, PASP 109, 1215 Google Scholar
Pickelner, S.B. 1986, Astrophys. Lett. 2, 97 Google Scholar
Sterken, C., Vogt, N., Mennickent, R.E. 1996, A&A 311, 579 Google Scholar