| 日冕磁场重建方法在研究太阳爆发活动中的应用 |
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| 引用本文： | 宿英娜.日冕磁场重建方法在研究太阳爆发活动中的应用[J].天文学报,2019(1):13-30. |
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| 作者姓名： | 宿英娜 |
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| 作者单位： | 中国科学院紫金山天文台;中国科学院暗物质与空间天文重点实验室;中国科学技术大学天文与空间科学学院 |
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| 基金项目： | 中国科学院百人计划;中国科学院空间科学战略性先导科技专项(XDA15052200;XDA15320301);国家自然科学基金项目(11473071;11333009;11790302 (11790300);U1731241);江苏省自然科学基金项目(BK20141043) |
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| 摘 要： | 太阳是与地球关系最为密切的天体.发生在日面上的剧烈爆发性活动可能对人类的生存环境产生巨大影响甚至是灾难性后果.包含太阳耀斑、暗条爆发和日冕物质抛射在内的太阳爆发活动是同一物理过程的不同表现形式,其能量来源于爆发前储存在日冕中的磁场自由能.因此,了解日冕磁场的3维结构是理解太阳爆发的触发机制以及活动区的稳定性等现象的前提.由于观测技术限制,目前尚无法对日冕磁场进行常规观测,因此发展了多种利用可常规观测的光球磁场来重建日冕磁场的方法.主要评述近10 yr来各种日冕磁场重建方法在研究太阳爆发活动中的应用.
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| 关 键 词： | 太阳:日冕 太阳:光球 太阳:演化 太阳:耀斑 太阳:暗条 日珥 太阳:磁场 |
Studying Solar Eruptions from Reconstructed Coronal Magnetic Field |
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| SU Ying-na.Studying Solar Eruptions from Reconstructed Coronal Magnetic Field[J].Acta Astronomica Sinica,2019(1):13-30. |
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| Authors: | SU Ying-na |
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| Institution: | (Purple Mountain Observatory,Chinese Academy of Sciences,Nanjing 210034;Key Laboratory of Dark Matter and Space Astronomy,Chinese Academy of Sciences,Nanjing 210034;School of Astronomy and Space Science,University of Science and Technology of China,Hefei 230026) |
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| Abstract: | The Sun is the most important astrophysical object in the sky because it has the closest relationship with the Earth.The violent eruptive activities occurring on the Sun can greatly impact the human living environment,and lead to disastrous consequences.It is well accepted that solar eruptions including solar flares,prominence eruptions,and coronal mass ejections are different manifestations of a single physical process powered by magnetic free energy gradually stored in the corona prior to eruptions.Therefore,mapping the three dimensional structure of coronal magnetic field is a prerequisite to understand the initiation mechanism of solar eruptions.Due to technological and methodological difficulties,routine observations of the coronal magnetic field are still unavailable.Therefore,a number of methods have been developed to reconstruct the coronal magnetic field.This paper mainly reviews the applications of various reconstruction methods to study solar eruptions during the last ten years. |
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| Keywords: | Sun:corona Sun:photosphere Sun:evolution Sun:flares Sun:filaments prominences Sun:magnetic fields |
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