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THE FORMATION OF AN INVERSE S-SHAPED ACTIVE-REGION FILAMENT DRIVEN BY SUNSPOT MOTION AND MAGNETIC RECONNECTION
Yan XL(闫晓理)1; Priest, E. R.2; Guo, Q. L.3; Xue ZK(薛志科)1,4; Wang JC(王金成)1; Yang LH(杨丽恒)1,4; Yan, XL (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2016-11-20
卷号832期号:1
DOI10.3847/0004-637X/832/1/23
产权排序第1完成单位
收录类别SCI
关键词Sun: Activity Sun: Magnetic Fields Sun: Filaments Sun: Photosphere Prominences Sunspots Supporting Material: Animations
摘要We present a detailed study of the formation of an inverse S-shaped filament prior to its eruption in active region NOAA 11884 from 2013 October 31 to November 2. In the initial stage, clockwise rotation of a small positive sunspot around the main negative trailing sunspot formed a curved filament. Then the small sunspot cancelled with the negative magnetic flux to create a longer active-region filament with an inverse S-shape. At the cancellation site a brightening was observed in UV and EUV images and bright material was transferred to the filament. Later the filament erupted after cancellation of two opposite polarities below the upper part of the filament. Nonlinear force-free field extrapolation of vector photospheric fields suggests that the filament may have a twisted structure, but this cannot be confirmed from the current observations.
项目资助者National Science Foundation of China (NSFC)(11373066, 11503080, 11603071, 11633008) ; Yunnan Science Foundation of China(2013FB086) ; CAS "Light of West China" Program ; Key Laboratory of Solar Activity of CAS(KLSA201603, KLSA201303) ; Youth Innovation Promotion Association CAS(2011056)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
归档日期2016-11-25
WOS记录号WOS:000388603600005
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]VACUUM SOLAR TELESCOPE ; CORONAL MASS EJECTIONS ; HELICAL FLUX ROPE ; PROMINENCE FORMATION ; HIGH-RESOLUTION ; FORCE-FREE ; SPECKLE MASKING ; QUIET SUN ; DYNAMICS ; FIELD
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9785
专题抚仙湖太阳观测站
通讯作者Yan, XL (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Mathematics Institute, University of St Andrews, St Andrews, KY16 9SS, UK
3.College of Mathematics Physics and Information Engineering, Jiaxing University, Jiaxing 314001, China
4.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
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Yan XL,Priest, E. R.,Guo, Q. L.,et al. THE FORMATION OF AN INVERSE S-SHAPED ACTIVE-REGION FILAMENT DRIVEN BY SUNSPOT MOTION AND MAGNETIC RECONNECTION[J]. ASTROPHYSICAL JOURNAL,2016,832(1).
APA Yan XL.,Priest, E. R..,Guo, Q. L..,Xue ZK.,Wang JC.,...&Yan, XL .(2016).THE FORMATION OF AN INVERSE S-SHAPED ACTIVE-REGION FILAMENT DRIVEN BY SUNSPOT MOTION AND MAGNETIC RECONNECTION.ASTROPHYSICAL JOURNAL,832(1).
MLA Yan XL,et al."THE FORMATION OF AN INVERSE S-SHAPED ACTIVE-REGION FILAMENT DRIVEN BY SUNSPOT MOTION AND MAGNETIC RECONNECTION".ASTROPHYSICAL JOURNAL 832.1(2016).
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