Journal
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
Volume 65, Issue -, Pages -Publisher
OXFORD UNIV PRESS
DOI: 10.1093/pasj/65.sp1.S6
Keywords
Sun: flares; Sun: particle emission; Sun: radio radiation; Sun: X-rays, gamma rays
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Funding
- Russian Foundation for Basic Research [12-02-00616-a, 13-02-02-90472-Ukr-ph-a]
- State Foundation for Basic Research of Ukraine [F53.21099]
- Russian Academy [21, 22]
- Ministry of Education and Science of Russian Federation [8417]
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A comparative analysis of the fine time structure of microwave and hard X-ray emissions from the flare event on 1992 November 5 is given. Based on wavelet analysis, quasi-periodic pulsations with a fundamental period of 6 s in both wave bands have been revealed. The anticorrelation of time profiles of microwave and hard X-ray emissions as well as time delays between the emission peaks in different wave bands are explained by the excitation of sausage oscillations of a flare loop modelling by a magnetic trap. It has been shown that the intermediate pitch angle diffusion regime of trapped electrons into the loss-cone should be realized in flare loops. The relation between time delays of emission peaks at different wave bands and the pulse duration has been investigated.
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