Masaq Index
arXiv 2010-09-15 1 views

Metric Radio Bursts and Fine Structures Observed on January 20, 2005

Bouratzis, C. · Preka-Papadima, P. · Moussas, X. · Hillaris, A. E. · Kurt, V. · Tsitsipis, P. · Kontogeorgos, A.

Original · EN

A major radio event, associated with an X7.1/2B flare in AR720 and a fast CME was observed on January 20, 2005 with the radio-spectrograph ARTEMIS-IV; it was particularly intense and with a complex radio signature with rich fine structure which was recorded in the 270-420 MHz range at high resolution (100 samples/sec). The fine structure is compared with similar results in the decimetric and microwave frequency range. It was found to approximately match the comprehensive Ondrejov Classification in the spectral range 0.8-2 GHz.

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