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Evidence for Extreme Divergence of Open Field Lines from Solar Active Regions

Published online by Cambridge University Press:  25 April 2016

G. A. Dulk ,
D. B. Melrose  and
S. Suzuki
G. A. Dulk
Affiliation:
Division of Radiophysics, CSIRO, Sydney and Department of Astro-Geophysics, University of Colorado, Boulder, Colorado
D. B. Melrose
Affiliation:
Division of Radiophysics, CSIRO, Sydney and Department of Astro-Geophysics, University of Colorado, Boulder, Colorado
S. Suzuki
Affiliation:
Division of Radiophysics, CSIRO, Sydney and Department of Astro-Geophysics, University of Colorado, Boulder, Colorado
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Extract

In this paper we review the evidence on the structure of the open magnetic field lines that emerge from solar active regions into interplanetary space. The evidence comes mainly from the measured sizes, positions and polarization of Type III and Type V bursts, and from electron streams observed from space. We find that the observations are best interpreted in terms of a strongly-diverging field topology, with the open field lines filling a cone of angle ~60°.

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Contributions
Information
Publications of the Astronomical Society of Australia , Volume 3 , Issue 6 , 1979 , pp. 375 - 379
Copyright
Copyright © Astronomical Society of Australia 1979

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