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Radio Evidence of a Coronal Instability Before the Onset of a Solar Flare (9 June 1968)

Published online by Cambridge University Press:  25 April 2016

J. P. Wild
J. P. Wild*
Affiliation:
Division of Radiophysics, CSIRO, Sydney
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Extract

The outburst and storm of more than four hours’ duration that accompanied the importance 2 flare beginning at 0h25m U.T. on 9 June 1968 were observed at 80 MHz with the Culgoora radioheliograph. More than 104 heliograms in both senses of circular polarization were recorded at one-second intervals both as cathode-ray-tube photographs and as digital characters on magnetic tape. It is the purpose of this preliminary account to summarize these observations and bring attention to a new phenomenon observed before the start of the flare.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 1 , Issue 4 , December 1968 , pp. 137 - 138
Copyright
Copyright © Astronomical Society of Australia 1968

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References

1 Sheridan, K. V., Proc. ASA, 1, 138 (1968).Google Scholar
2 Petschek, H. E., AAS-NASA Symposium on the Physics of Solar Flares, NASA, Washington, D.C., 1964, Hess, W. N. (ed.), 425.Google Scholar