PMO OpenIR  > 太阳活动的多波段观测研究团组
Observing the release of twist by magnetic reconnection in a solar filament eruption
Xue, Zhike1,2; Yan, Xiaoli1; Cheng, Xin3; Yang, Liheng1,2; Su, Yingna4; Kliem, Bernhard1,5; Zhang, Jun2; Liu, Zhong1; Bi, Yi1; Xiang, Yongyuan1; Yang, Kai3; Zhao, Li1
2016-06-01
Source PublicationNATURE COMMUNICATIONS
Volume7
AbstractMagnetic 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.
WOS HeadingsScience & Technology
DOI10.1038/ncomms11837
WOS KeywordX-RAY TELESCOPE ; DYNAMICS-OBSERVATORY SDO ; CORONAL MASS EJECTIONS ; 2010 APRIL 8 ; ACTIVE REGIONS ; CURRENT SHEET ; FLUX ROPE ; FLARE ; LOOP ; MODEL
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000378812000001
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16248
Collection太阳活动的多波段观测研究团组
Affiliation1.Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China
3.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China
4.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Sci, Nanjing 210008, Jiangsu, Peoples R China
5.Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, Germany
Recommended Citation
GB/T 7714
Xue, Zhike,Yan, Xiaoli,Cheng, Xin,et al. Observing the release of twist by magnetic reconnection in a solar filament eruption[J]. NATURE COMMUNICATIONS,2016,7.
APA Xue, Zhike.,Yan, Xiaoli.,Cheng, Xin.,Yang, Liheng.,Su, Yingna.,...&Zhao, Li.(2016).Observing the release of twist by magnetic reconnection in a solar filament eruption.NATURE COMMUNICATIONS,7.
MLA Xue, Zhike,et al."Observing the release of twist by magnetic reconnection in a solar filament eruption".NATURE COMMUNICATIONS 7(2016).
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