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Evidence of Type II and Moving Type IV Solar Bursts Excited by a Common Shock Wave
Published online by Cambridge University Press: 25 April 2016
Extract
Travelling disturbances in the solar corona with velocities ~103 km/s manifest themselves at radio frequencies by two distinctive phenomena—the type II burst, the spectrum of which shows a slow frequency drift that corresponds to quasi-radial outward motion, and the moving type IV burst, for which positional observations show transverse motion directly. A close relation between the two phenomena has long been suspected, and each type has separately been ascribed to a shock wave disturbance. In this paper we summarize three events recorded by the Culgoora radioheliograph and spectograph (two in the course of publication and one unpublished) in each of which a type II and a moving type IV burst can be consistently attributed to the effects of a common shock wave.
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- Contributions
- Information
- Publications of the Astronomical Society of Australia , Volume 1 , Issue 7 , April 1970 , pp. 313 - 315
- Copyright
- Copyright © Astronomical Society of Australia 1970
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