The impulsive phase of a large solar limb flare of June 20, 1989

Details The impulsive phase of a large solar limb flare of June 20, 1989 The impulsive phase of a large solar limb flare of June 20, 1989

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992soph..141...91g&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 141, no. 1, p. 91-107.

Physics

13

H Alpha Line, Imaging Spectrometers, Line Shape, Solar Flares, Solar Limb, Solar Prominences, High Resolution, Microwave Emission, Solar X-Rays, Spatial Resolution, Spectral Resolution, Very Large Array (Vla)

Scientific paper

On June 20, 1989 we observed in H-alpha the impulsive phase of a 3B/X 1.6 limb flare with high temporal resolution. Line profiles have been acquired every 2.3 s with an imaging spectrograph. During the eruption of a filament, we observed in H-alpha a moving plasma blob from what we believe to be a second loop which correlated spatially and temporally with a microwave source at 1.4 GHz observed by VLA. A magnetodynamic model is used to understand the development of the moving plasma blob.

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