Hostname: page-component-745bb68f8f-hvd4g Total loading time: 0 Render date: 2025-01-13T00:38:08.125Z Has data issue: false hasContentIssue false
  • English
  • Français

Closed and Open Magnetic Fields in Stellar Atmospheres: Effects on Mass Loss from Cool Giant Stars

Published online by Cambridge University Press:  04 August 2017

D. J. Mullan
D. J. Mullan*
Affiliation:
Bartol Research Foundation of the Franklin Institute University of Delaware, Newark, Delaware 19711, USA

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.

We propose that the onset of rapid mass loss among cool giants, and the absence of hot coronal material from their atmospheres, is associated with a transition in the large-scale magnetic topology of the atmosphere from closed to open. According to this view, field loops in the atmospheres of giants of spectral class K and later cannot find equilibrium, but are in a state of dynamical evolution throughout their lifetime in the atmosphere.

Type
V. Stellar Winds and Spindown in Late — Type Stars
Information
Symposium - International Astronomical Union , Volume 102: Solar and Stellar Magnetic Fields: Origins and Coronal Effects , 1983 , pp. 487 - 491
Copyright
Copyright © Reidel 1983 

References

Kelch, W.L. et al.: 1978, Astrophys. J. 220, p. 962.CrossRefGoogle Scholar
Linsky, J.L. and Haisch, B.M.: 1979, Astrophys. J. 229, p. L27.CrossRefGoogle Scholar
Low, B.C.: 1981, Astrophys. J. 251, p. 352.CrossRefGoogle Scholar
Mullan, D.J.: 1975, Astron. Astrophys. 40, p. 41.Google Scholar
Mullan, D.J.: 1978, Astrophys. J. 226, p. 151.CrossRefGoogle Scholar
Mullan, D.J.: 1982, Astron. Astrophys. 108, p. 279.Google Scholar
Mullan, D.J. and Cram, L.E.: 1982, Astron. Astrophys. 108, p. 251.Google Scholar
Mullan, D.J. and Stencel, R.E.: 1982, in “Four Years of IUE Research”, (in press), (Washington: NASA).Google Scholar
Pneuman, G.W.: 1968, Solar Phys. 3, p. 578.CrossRefGoogle Scholar
Pneuman, G.W. and Kopp, R.A.: 1971, Solar Phys. 18, p. 258.CrossRefGoogle Scholar
Stencel, R.E. and Mullan, D.J.: 1980, Astrophys. J. 240, p. 718.CrossRefGoogle Scholar