Abstract

Observations are presented for several large solar flares in which a timing association is observed between late (≳ 30 min after the flash phase) microwave peaks and late stationary decametric continua. It is suggested that the late microwave peaks are a phenomenon of the post flare loop (relaxation) stage of large flares and are caused by field line reconnections occurring above the Hα and soft X-ray emitting loops. A simple model to account for the association between the secondary radio peaks observed at discrete frequencies and the late decametric continua is proposed.

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