Physics
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996soph..163..133t&link_type=abstract
Solar Physics, Vol. 163, No. 1, p. 133 - 144
Physics
4
Solar Flares: Currents, Solar Flares: H Alpha, Solar Flares: Multiwavelength Observations, Solar Flares: Models
Scientific paper
The observational data in Hα, radio, soft X-ray, hard X-ray, and γ-ray emissions for the 3B/X3.0 solar flare on 4 February, 1986 are collected. This flare is studied in detail by using the flare-filament current model. The momentum equations and the energy equations of the filament current have been solved. The influence of the highly sheared background magnetic field on the motion of the filaments is studied through numerical calculation. The results show that the resistive tearing instability is a possible pre-heating mechanism in the preflare phase, and both the rotation of the spiral sunspots and the highly sheared background field are necessary for the energy storage of this flare. The high-energy data of the flare imply that the current-loop coalescence instability is a possible eruptive mechanism.
Qiu Jiong
Tang Y.-H.
Yin Chun-Lin
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