Abstract

The zebra structure and fiber bursts in the dynamic spectra of the solar type IV radio burst recorded on October 25, 1994, are analyzed using observational data from ground-based stations and Earth-orbiting satellites. The fine structure is observed when new hot magnetic loops, in which high-and low-frequency plasma instabilities develop, ascend to the solar corona. The frequency range of the fine structure is determined by the dimensions of these loops. The main features of the zebra structure are analyzed in terms of the interaction of plasma waves with whistlers. The results obtained are compared to the predictions from the double plasma resonance model.

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