太陽閃焰硬X射線源與日冕層磁場關聯性之研究;On the Relationship between Hard X-Ray Sources and Coronal Magnetic Fields in Solar Flares

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题名:	太陽閃焰硬X射線源與日冕層磁場關聯性之研究;On the Relationship between Hard X-Ray Sources and Coronal Magnetic Fields in Solar Flares
作者:	楊雅惠
贡献者:	國立中央大學太空科學研究所
关键词:	大氣科學;太空科技
日期:	2012-12-01
上传时间:	2014-03-17 11:32:30 (UTC+8)
出版者:	行政院國家科學委員會
摘要:	研究期間：10108~10207;It is generally believed that the hard X-ray (HXR) emission is a critical characteristic of energy release in the impulsive phase of solar flare. The chromospheric HXR kernels are regarded as the footpoints of newly reconnected magnetic field lines. It is thought to be associated with the acceleration process in the corona, collision process in the chromosphere, and the transportation process between the chromosphere and corona. We believe that the properties of HXR emissions in the impulsive phase of solar flare strongly depend on the ambient plasma and magnetic field conditions in the coronal reconnection or acceleration region. Since the magnetic field in the solar corona is unavailable to be directly measured, it is important to investigate the influence of solar coronal magnetic fields on the energy storage and release. The purpose of this study is to qualitatively and quantitatively analyze the associated physical quantities to understand the mechanism of reconnection and acceleration in solar flares, based on the coronal magnetic fields extrapolated by a non-linear force-free field model, the HXR imaging and spectrum analyses, and high-resolution transversal and longitudinal magnetic field observations.
關聯:	財團法人國家實驗研究院科技政策研究與資訊中心
显示于类别:	[太空科學研究所 ] 研究計畫

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