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Round-trip Slipping Motion of the Circular Flare Ribbon Evidenced in a Fan-spine Jet
Shen YD(申远灯)1; Qu, Zhining2; Zhou CR(周承瑞)1; Duan, Yadan3; Tang ZH(汤泽浩)1; Yuan, Ding4
发表期刊ASTROPHYSICAL JOURNAL LETTERS
2019-11-01
卷号885期号:1页码:8
DOI10.3847/2041-8213/ab4cf3
产权排序第1完成单位
收录类别SCI
关键词Solar activity Solar filaments Solar flares Solar magnetic fields Solar chromosphere
摘要

A solar jet that occurred on 2014 July 31, which was accompanied by a GOES C1.3 flare and a mini-filament eruption at the jet base, was studied by using observations taken by the New Vacuum Solar Telescope and the Solar Dynamic Observatory. Magnetic field extrapolation revealed that the jet was confined in a fan-spine magnetic system that hosts a null point at the height of about 9 Mm from the solar surface. An inner flare ribbon surrounded by an outer circular ribbon and a remote ribbon were observed to be associated with the eruption, in which the inner and remote ribbons, respectively located at the footprints of the inner and outer spines, while the circular one manifested the footprint of the fan structure. It is worth noting that the west part of the circular ribbon exhibited an interesting round-trip slipping motion, while the inner ribbon and the circular ribbon?s east part displayed a northward slipping motion. Our analysis results indicate that the slipping motions of the inner and the circular flare ribbons reflected the slipping magnetic reconnection process in the fan?s quasi-separatrix layer, while the remote ribbon was associated with the magnetic reconnection at the null point. In addition, the filament eruption was probably triggered by the magnetic cancellation around its south end, which further drove the slipping reconnection in the fan quasi-separatrix layer and the reconnection at the null point.

资助项目Natural Science Foundation of China[11922307] ; Natural Science Foundation of China[11773068] ; Natural Science Foundation of China[11633008] ; Yunnan Science Foundation[2017FB006] ; West Light Foundation of Chinese Academy of Sciences
项目资助者Natural Science Foundation of China[11922307, 11773068, 11633008] ; Yunnan Science Foundation[2017FB006] ; West Light Foundation 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
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN2041-8205
WOS记录号WOS:000498628300002
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]X-RAY JETS ; MAGNETIC RECONNECTION ; H-ALPHA ; MODEL
引用统计
被引频次:26[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/114a53/21454
专题选址与日冕观测组
通讯作者Shen YD(申远灯)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, People's Republic of China
2.School of Automation and Information Engineering, Sichuan University of Science & Engineering, Zigong 643000, People's Republic of China
3.Yunnan Normal University, Department of Physics, Kunming 650500, People's Republic of China
4.Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, 518055, People's Republic of China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
推荐引用方式
GB/T 7714
Shen YD,Qu, Zhining,Zhou CR,et al. Round-trip Slipping Motion of the Circular Flare Ribbon Evidenced in a Fan-spine Jet[J]. ASTROPHYSICAL JOURNAL LETTERS,2019,885(1):8.
APA Shen YD,Qu, Zhining,Zhou CR,Duan, Yadan,Tang ZH,&Yuan, Ding.(2019).Round-trip Slipping Motion of the Circular Flare Ribbon Evidenced in a Fan-spine Jet.ASTROPHYSICAL JOURNAL LETTERS,885(1),8.
MLA Shen YD,et al."Round-trip Slipping Motion of the Circular Flare Ribbon Evidenced in a Fan-spine Jet".ASTROPHYSICAL JOURNAL LETTERS 885.1(2019):8.
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