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Nonradial eruption of a kinking filament observed from STEREO
Bi Y(毕以)1,2; Jiang YC(姜云春)1; Yang LH(杨丽恒)1,2; Zheng RS(郑瑞生)1,2; Bi, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Peoples R China.
Source PublicationNEW ASTRONOMY
2011-07
Volume16Issue:4Pages:276-283
DOI10.1016/j.newast.2010.11.009
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Filament Sun: Prominence Sun: Magnetic Fields Sun: Coronal Mass Ejections (Cmes)
AbstractOn 5 April 2008, a filament at the periphery of an active region was observed by the Extreme Ultraviolet Imager telescope aboard the STEREO-A spacecraft, which showed up as a prominence eruption in the field-of-view from STEREO-B. The filament at STEREO-A 304 A was first lengthened toward a region with weak overlying magnetic field so evolved as a large-scale one consisting of bright and dark threads twisting with each other, and then the portion below the weak field underwent an eruption. Meanwhile, the corresponding STEREO-B 304 A prominence threads exhibited a kinking structure and tilting motion, with its center deflecting from the radial direction. By using three-dimension (3D) reconstruction technology, we obtain the 3D topology for the kinked prominence when its apex arrived at 1.4 radii, from which a clockwise rotation of about 90 is found in the course of the eruption. By comparing the 3D structure with the magnetic-field configuration computed by using the Potential-Field Source-Surface (PFSS) model, it is suggested that the filament erupted against the rather weaker than stronger overlying magnetic field, which make it appear to tilt toward one side. (C) 2010 Elsevier B.V. All rights reserved.
Funding OrganizationNational Science Foundation ; 973 Program [2011CB811400] ; Natural Science Foundation of China [10973038, 40636031] ; Scientific Application Foundation of Yunnan Province [2007A112M, 2007A115M]
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1384-1076
URL查看原文
Archive Date2011-02-21
WOS IDWOS:000287105800007
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCORONAL MASS EJECTIONS ; FLUX ROPES ; MAGNETIC-FIELDS ; SOLAR CORONA ; INSTABILITY ; PROMINENCE ; CHIRALITY ; SIGMOIDS ; LOOP
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6178
Collection太阳物理研究组
Corresponding AuthorBi, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Peoples R China.
Affiliation1.National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.Graduate School of Chinese Academy of Sciences, Beijing 100049, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Bi Y,Jiang YC,Yang LH,et al. Nonradial eruption of a kinking filament observed from STEREO[J]. NEW ASTRONOMY,2011,16(4):276-283.
APA Bi Y,Jiang YC,Yang LH,Zheng RS,&Bi, Y .(2011).Nonradial eruption of a kinking filament observed from STEREO.NEW ASTRONOMY,16(4),276-283.
MLA Bi Y,et al."Nonradial eruption of a kinking filament observed from STEREO".NEW ASTRONOMY 16.4(2011):276-283.
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