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Observing the release of twist by magnetic reconnection in a solar filament eruption
Xue ZK(薛志科)1,2; Yan XL(闫晓理)1; Cheng, Xin3; Yang LH(杨丽恒)1,2; Su, Yingna4; Bernhard Kliem1,5; Zhang, Jun2; Liu Z(刘忠)1; Bi Y(毕以)1; Xiang YY(向永源)1; Yang, Kai3; Zhao L(赵丽)1
发表期刊NATURE COMMUNICATIONS
2016-06-01
卷号7
DOI10.1038/ncomms11837
产权排序第1完成单位
收录类别SCI ; EI
摘要

Magnetic reconnection is a fundamental process of topology change and energy release, taking place in plasmas on the Sun, in space, in astrophysical objects and in the laboratory. However, observational evidence has been relatively rare and typically only partial. Here we present evidence of fast reconnection in a solar filament eruption using high-resolution H-alpha images from the New Vacuum Solar Telescope, supplemented by extreme ultraviolet observations. The reconnection is seen to occur between a set of ambient chromospheric fibrils and the filament itself. This allows for the relaxation of magnetic tension in the filament by an untwisting motion, demonstrating a flux rope structure. The topology change and untwisting are also found through nonlinear force-free field modelling of the active region in combination with magnetohydrodynamic simulation. These results demonstrate a new role for reconnection in solar eruptions: the release of magnetic twist.

资助项目National Science Foundation of China[11503080] ; National Science Foundation of China[11373066] ; National Science Foundation of China[11573012] ; National Science Foundation of China[11373065] ; National Science Foundation of China[11303016] ; National Science Foundation of China[11533008] ; National Science Foundation of China[11473071] ; Key Laboratory of Solar Activity of Chinese Academy of Sciences (CAS)[KLSA201412] ; Key Laboratory of Solar Activity of Chinese Academy of Sciences (CAS)[KLSA201407] ; Yunnan Science Foundation of China[2013FB086] ; CAS 'Light of West China' Program ; Youth Innovation Promotion Association CAS[2011056] ; national basic research program of China (973 program)[2011CB811400] ; CAS[2012T1J0017] ; DFG ; One Hundred Talent Program of Chinese Academy of Sciences
项目资助者National Science Foundation of China[11503080, 11373066, 11573012, 11373065, 11303016, 11533008, 11473071] ; Key Laboratory of Solar Activity of Chinese Academy of Sciences (CAS)[KLSA201412, KLSA201407] ; Yunnan Science Foundation of China[2013FB086] ; CAS 'Light of West China' Program ; Youth Innovation Promotion Association CAS[2011056] ; national basic research program of China (973 program)[2011CB811400] ; CAS[2012T1J0017] ; DFG ; One Hundred Talent Program of Chinese Academy of Sciences
语种英语
学科领域天文学 ; 太阳与太阳系 ; 太阳物理学
学科门类理学 ; 理学::天文学
文章类型Article
出版者NATURE PUBLISHING GROUP
出版地MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
ISSN2041-1723
URL查看原文
归档日期2016-12-15
WOS记录号WOS:000378812000001
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
关键词[WOS]X-RAY TELESCOPE ; DYNAMICS-OBSERVATORY SDO ; CORONAL MASS EJECTIONS ; 2010 APRIL 8 ; ACTIVE REGIONS ; CURRENT SHEET ; FLUX ROPE ; FLARE ; LOOP ; MODEL
EI入藏号4947801
EI分类号901Geobase: Related Topics
引用统计
被引频次:29[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9616
专题抚仙湖太阳观测站
通讯作者Yan XL(闫晓理)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, Yunnan 650216, China
2.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
3.School of Astronomy and Space Science, Nanjing University, Nanjing, Jiangsu 210093, China
4.Key Laboratory for Dark Matter and Space Science, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, Jiangsu 210008, China
5.Institute of Physics and Astronomy, University of Potsdam, Potsdam 14476, Germany
推荐引用方式
GB/T 7714
Xue ZK,Yan XL,Cheng, Xin,et al. Observing the release of twist by magnetic reconnection in a solar filament eruption[J]. NATURE COMMUNICATIONS,2016,7.
APA Xue ZK.,Yan XL.,Cheng, Xin.,Yang LH.,Su, Yingna.,...&Zhao L.(2016).Observing the release of twist by magnetic reconnection in a solar filament eruption.NATURE COMMUNICATIONS,7.
MLA Xue ZK,et al."Observing the release of twist by magnetic reconnection in a solar filament eruption".NATURE COMMUNICATIONS 7(2016).
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