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Disappearing Solar Filaments and Interplanetary Shock Waves

Published online by Cambridge University Press:  25 April 2016

C. S. Wright
C. S. Wright*
Affiliation:
Ionospheric Prediction Service, Dept. of Science & Technology
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Extract

The close association between flare events having metric radio type II and type IV bursts and the subsequent occurrence of sudden commencement geomagnetic storms is well known. In such cases it has been amply demonstrated (e.g. Malitson et al. 1973; Cane et al. 1982) that the sudden commencement (SC) is caused by the same magnetohydrodynamic shock which originates near the Sun and which produces the type II burst. Recently, a study of geomagnetic storms thought to be associated with the disappearance of filaments from quiet regions of the Sun (Joselyn and McIntosh 1981) showed that several of these storms began with marked sudden commencements.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 5 , Issue 2 , 1983 , pp. 202 - 204
Copyright
Copyright © Astronomical Society of Australia 1983

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References

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