Do magnetic fields drive mass loss in hot and cool stars?

Details Do magnetic fields drive mass loss in hot and cool stars? Do magnetic fields drive mass loss in hot and cool stars?

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983iraj...16..107m&link_type=abstract

Irish Astronomical Journal (ISSN 0021-1052), vol. 16, Sept. 1983, p. 107-122.

Astronomy and Astrophysics

Astronomy

4

Cool Stars, Hot Stars, Magnetic Effects, Stellar Magnetic Fields, Stellar Mass Ejection, Giant Stars, Magnetic Field Configurations, Sun

Scientific paper

It is pointed out that since the original discoveries of 'quiescent' mass loss in cool stars and in hot stars, the study of mechanisms for driving such mass loss has tended along different directions for hot and cool stars. The present investigation is concerned with a possible common feature in the winds of hot and cool stars, taking into account magnetic field effects. Difficulties with current models of mass loss are examined, giving attention to the sun, cool giants, and hot stars. The role of magnetic fields is studied, and it is shown that certain aspects of magnetic fields in the atmospheres of both hot and cool stars might aid the mass loss process. Unstable magnetic loops are considered along with the motion of plasmoid in ambient field, interactions between fast and slow streams in stellar winds, X-ray photon driven winds, and origins of magnetic loops in hot stars.

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