作者: S. Masuda
DOI: 10.1016/S0964-2749(02)80094-4
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摘要: Abstract Yohkoh /HXT has detected more than 2500 solar flares over its 10 years of operation. In the first five operation HXT provided us with a lot new information on flares. Some major achievements are providing both statistical and detailed event studies double footpoint sources, discovery above-the-looptop source as evidence for magnetic reconnection, revealing characteristics super-hot (>30 MK) thermal component. These results clearly indicate that many types hard X-ray sources exist simultaneously even in single flare. Flares, especially intense flares, which occurred during current cycle, have been analyzed reported recently. They summarized this paper.