Hostname: page-component-78c5997874-t5tsf Total loading time: 0 Render date: 2024-11-06T02:37:27.490Z Has data issue: false hasContentIssue false
  • English
  • Français

Turbulence-Driven Atmospheric Instability and Large-Scale Motions in Super- and Hypergiants

Published online by Cambridge University Press:  12 April 2016

B. Boer ,
J. Carpay ,
A. de Koter ,
C. de Jager ,
H. Nieuwenhuijzen ,
A. Piters  and
F. Spaan
B. Boer
Affiliation:
Astronomical Observatory and Laboratory for Space Research, Beneluxlaan 21, 3527 HS Utrecht, The Netherlands
J. Carpay
Affiliation:
Astronomical Observatory and Laboratory for Space Research, Beneluxlaan 21, 3527 HS Utrecht, The Netherlands
A. de Koter
Affiliation:
Astronomical Observatory and Laboratory for Space Research, Beneluxlaan 21, 3527 HS Utrecht, The Netherlands
C. de Jager
Affiliation:
Astronomical Observatory and Laboratory for Space Research, Beneluxlaan 21, 3527 HS Utrecht, The Netherlands
H. Nieuwenhuijzen
Affiliation:
Astronomical Observatory and Laboratory for Space Research, Beneluxlaan 21, 3527 HS Utrecht, The Netherlands
A. Piters
Affiliation:
Astronomical Observatory and Laboratory for Space Research, Beneluxlaan 21, 3527 HS Utrecht, The Netherlands
F. Spaan
Affiliation:
Astronomical Observatory and Laboratory for Space Research, Beneluxlaan 21, 3527 HS Utrecht, The Netherlands

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.

Spectral studies of super- and hypergiants show that the (outward directed) turbulent acceleration approaches the value of the gravitational acceleration for the most luminous stars, which makes their atmospheres unstable.

Type
Part II. Mass-Losing Stars in Different Stages of Evolution
Information
International Astronomical Union Colloquium , Volume 108: Atmospherics Diagnostics of Stellar Evolution: Chemical Peculiarity, Mass Loss, and Explosion , 1988 , pp. 131 - 132
Copyright
Copyright © Springer-Verlag 1988

References

Blackwell, D.E., Shallis, M.J.: 1977, Monthly Not. R. Astron. Soc. 180, 177.Google Scholar
Boer, B., De Jager, C., Nieuwenhuijzen, H.: 1988, Astron. Astrophys. (submitted 1987).Google Scholar
De Jager, C.: 1984, Astron. Astrophys. 138, 246.Google Scholar