中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
On a Small-scale EUV Wave: The Driving Mechanism and the Associated Ascillating Filament

文献类型:期刊论文

作者Shen YD(申远灯)1,2,3; Liu Y(刘煜)1,3; Tian ZJ(田占军)1; Qu, Zhining4
刊名ASTROPHYSICAL JOURNAL
出版日期2017-12-20
卷号851期号:2
ISSN号0004-637X
关键词Sun: coronal mass ejections (CMEs) Sun: filaments, prominences Sun: flares Sun: magnetic fields Sun: oscillations
DOI10.3847/1538-4357/aa9af0
产权排序第1完成单位
文献子类Article
英文摘要

We present observations of a small-scale extreme-ultraviolet (EUV) wave that was associated with a mini-filament eruption and a GOES B1.9 micro-flare in the quiet-Sun region. The initiation of the event was due to the photospheric magnetic emergence and cancellation in the eruption source region, which first caused the ejection of a small plasma ejecta, then the ejecta impacted a nearby mini-filament and thereby led to the filament's eruption and the associated flare. During the filament eruption, an EUV wave at a speed of 182-317 km s(-1) was formed ahead of an expanding coronal loop, which propagated faster than the expanding loop and showed obvious deceleration and reflection during the propagation. In addition, the EUV wave further resulted in the transverse oscillation of a remote filament whose period and damping time are 15 and 60 minutes, respectively. Based on the observational results, we propose that the small-scale EUV wave should be a fast-mode magnetosonic wave that was driven by the expanding coronal loop. Moreover, with the application of filament seismology, it is estimated that the radial magnetic field strength is about 7 Gauss. The observations also suggest that small-scale EUV waves associated with miniature solar eruptions share similar driving mechanisms and observational characteristics with their large-scale counterparts.

学科主题天文学 ; 太阳与太阳系 ; 太阳物理学
URL标识查看原文
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
WOS关键词Coronal Mass Ejection ; Extreme-ultraviolet Wave ; Solar-flare Waves ; Eit Waves ; Moreton Wave ; Quadrature Observations ; Winking Filaments ; Magnetic-fields ; Shock-wave ; Stereo
资助项目Natural Science Foundation of China[11403097] ; Natural Science Foundation of China[11633008] ; Natural Science Foundation of China[11773068] ; Yunnan Science Foundation[2015FB191] ; Yunnan Science Foundation[2017FB006] ; Specialized Research Fund for State Key Laboratories ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2014047] ; Sichuan University of Science and Engineering[2015RC43]
WOS研究方向Astronomy & Astrophysics
语种英语
出版者IOP PUBLISHING LTD
WOS记录号WOS:000418350300004
资助机构Natural Science Foundation of China[11403097, 11633008, 11773068] ; Yunnan Science Foundation[2015FB191, 2017FB006] ; Specialized Research Fund for State Key Laboratories ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2014047] ; Sichuan University of Science and Engineering[2015RC43]
源URL[http://ir.ynao.ac.cn/handle/114a53/12086]  
专题云南天文台_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, China
2.State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100190, China
3.Center for Astronomical Mega-Science, Chinese Academy of Sciences, Beijing, 100012, China
4.School of Physics and Electronic Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
推荐引用方式
GB/T 7714
Shen YD,Liu Y,Tian ZJ,et al. On a Small-scale EUV Wave: The Driving Mechanism and the Associated Ascillating Filament[J]. ASTROPHYSICAL JOURNAL,2017,851(2).
APA Shen YD,Liu Y,Tian ZJ,&Qu, Zhining.(2017).On a Small-scale EUV Wave: The Driving Mechanism and the Associated Ascillating Filament.ASTROPHYSICAL JOURNAL,851(2).
MLA Shen YD,et al."On a Small-scale EUV Wave: The Driving Mechanism and the Associated Ascillating Filament".ASTROPHYSICAL JOURNAL 851.2(2017).

入库方式: OAI收割

来源:云南天文台

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