An analysis of surges triggered by a small flare |
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| Authors: | Ágnes Kovács L Dezs? |
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| Institution: | (1) Heliophysical Observatory, Hungarian Academy of Sciences, Debrecen, Hungary |
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| Abstract: | On 22 October, 1980, near the solar central meridian in the western vicinity of a large spot group, a subflare of the two-ribbon type was observed. Three surges were associated with this flare. Their starting points were situated close to the principal flare patches on both sides of a short filament that was visible for only a few hours. True flow velocities and decelerations along the arch-shaped surge trajectories have been determined for two of the surges. The highest velocities were found at the onset of the surges.The event was studied from a series of H on- and off-band flltergrams taken with the Debrecen coronagraph of 53 cm aperture. |
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