The frequency spectrum of solar microwave bursts associated with coronal mass ejections

Details The frequency spectrum of solar microwave bursts associated with coronal mass ejections The frequency spectrum of solar microwave bursts associated with coronal mass ejections

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993astl...19...30c&link_type=abstract

Astronomy Letters, Vol. 19, p. 30-32; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 19, no. 1, p. 73-78. In Russian.

Astronomy and Astrophysics

Astronomy

1

Solar Corona, Solar Flares, Solar Radio Bursts, Solar Spectra, Radio Spectra, Solar Magnetic Field, Stellar Mass Ejection

Scientific paper

It is shown that in events with coronal mass ejections (CMEs), a soft radio spectrum is mainly observed in the longest microwave bursts of moderate and strong intensities, i.e. under the combination of parameters which is typical for flares with an eruption of large CMEs. It is supposed that in such events, both long duration and soft radio spectrum of microwave bursts are determined by the long energy release at high coronal altitudes when the magnetic field above the active region, strongly disturbed by the CME eruption process, relaxes to its initial state through the magnetic reconnection in a vertical current sheet and the formation of the postflare loop system.

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