Dm-spikes and their relation to other flare phenomena in October 14, 1983 event

Details Dm-spikes and their relation to other flare phenomena in October 14, 1983 event Dm-spikes and their relation to other flare phenomena in October 14, 1983 event

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987baicz..38...42k&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 38, Jan. 1987, p. 42-46.

Astronomy and Astrophysics

Astronomy

1

Electron Acceleration, H Alpha Line, Radio Bursts, Radio Frequencies, Shock Waves, Solar Flares, Radio Telescopes, Spikes

Scientific paper

By using observations in H-alpha and radio frequencies between 169 MHz and 37 GHz, the October 14, 1983 two ribbon flare was analysed. A coherent picture of the event is given using the standard topology for two-ribbon flares and describing the dm-spikes as manifestations of electron acceleration in a reconnection process (with stationary shock wave). The drifting chains of these spikes are explained by the movement of this "stationary" shock wave. It is shown that the behaviour with time of the number density of the spikes is in agreement with that of the 37 GHz flux and hence that the same population of accelerated electrons that gave rise to the spikes, also produced the 37 GHz radiation.

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