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Observations and analyses of solar radio metric narrow-band fast pulsation phenomena

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Abstract

Fast pulsation events, corresponding optical activities and correlated events, observed with the acousto-optical spectrograph at the Yunnan Observatory during the 22nd solar cycle, are statistically analyzed in this paper. Some basic characteristics of the pulsation events in the 230–300 MHz range are obtained. In particular, unusual events with narrow bandwidths (≲ 10 MHz) and extremely short periods (25–55 ms) pulsation phenomena were observed. The production mechanisms for these rare pulsations are qualitatively discussed.

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Ma, Y., Xie, R., Zheng, X. et al. Observations and analyses of solar radio metric narrow-band fast pulsation phenomena. Solar Physics 214, 353–360 (2003). https://doi.org/10.1023/A:1024283017972

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