Filament eruption and storm radiation at meter-decameter wavelengths

Details Filament eruption and storm radiation at meter-decameter wavelengths Filament eruption and storm radiation at meter-decameter wavelengths

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990soph..129..133k&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 129, Sept. 1990, p. 133-152. Research supported by the University of Maryland.

Physics

22

Decametric Waves, Noise Storms, Radio Emission, Solar Radiation, Solar Radio Bursts, Solar X-Rays, Brightness Temperature, Solar Corona, Solar Flares

Scientific paper

In a weak noise storm observed by the Clark Lake multifrequency radioheliograph at four frequencies, the noise storm onset was associated with a filament eruption and a gradual rise and fall in soft X-rays. The noise storm emission is compared with related emissions in other wavelengths to develop a composite scenario of the event. Superthermal particles with a temperature that is 10 times the coronal electron temperature and a density of 0.001 times the coronal density are adequate to explain the observed radiation. If the storm radiation is affected in the same way as the quiet-sun emission by inhomogeneities, the observed spectrum can be interpreted as due to propagation effects.

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