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INTERRELATION BETWEEN PROCESSES DURING IMPULSIVE AND POST-ERUPTIVE PHASES AS IT CAN BE TRACED FROM THE CORONAS-F DATA
Livshits M.A and Katsova M.M.
abstract: Powerful solar flares (or their episodes) contain impulsive phase and the subsequent development of giant post-eruptive loops. We sustantiate application of the numerical gas-dynamic (non-MHD) simulation for different phases of flares. In particular, Grechnev et al.(2005) showed from the CORONAS-F data that a post-eruptive arcade is developed when the gas-to-magnetic pressure ratio (beta) is close to 1. We used the Jakimiec' model for series of homological flares and obtained a conclusion that gives evidences for relation between impulsive and post-eruptive processes during large flares. We discuss how the RESIK data can be used for estimation of amount of the gas evaporated in the pulse of the flare on August 25, 2001. This allows us to compare this mass with the amount of plasmas that emites during the post-eruptive phase.
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Papers:
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Relationship between Impulsive and Post-Eruptive Processes in Solar X-Ray Flares, Livshits, M. A.; Badalyan, O. G., Astronomy Reports, Vol. 48, Issue 12, p. 1037-1049 |
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When and Where are Solar Cosmic Rays Accelerated Most Efficiently?, Livshits, M. A.; Belov, A. V., Astronomy Reports, Vol. 48, Issue 8, p. 665-677 |
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