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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
Source PublicationASTROPHYSICAL JOURNAL
2016-11-20
Volume832Issue:1
DOI10.3847/0004-637X/832/1/23
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: activity Sun: filaments, prominences Sun: magnetic fields Sun: photosphere sunspots Supporting material: animations
Abstract

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.

Funding ProjectNational Science Foundation of China (NSFC)[11373066] ; National Science Foundation of China (NSFC)[11503080] ; National Science Foundation of China (NSFC)[11603071] ; National Science Foundation of China (NSFC)[11633008] ; Yunnan Science Foundation of China[2013FB086] ; CAS "Light of West China" Program ; Key Laboratory of Solar Activity of CAS[KLSA201603] ; Key Laboratory of Solar Activity of CAS[KLSA201303] ; Youth Innovation Promotion Association CAS[2011056]
Funding OrganizationNational 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]
Language英语
Subject Area天文学 ; 太阳与太阳系 ; 太阳物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
Archive Date2016-11-25
WOS IDWOS:000388603600005
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordVACUUM SOLAR TELESCOPE ; CORONAL MASS EJECTIONS ; HELICAL FLUX ROPE ; PROMINENCE FORMATION ; HIGH-RESOLUTION ; FORCE-FREE ; SPECKLE MASKING ; QUIET SUN ; DYNAMICS ; FIELD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9785
Collection抚仙湖太阳观测站
Corresponding AuthorYan XL(闫晓理)
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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,&Yang LH.(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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