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Filament Eruption with a Deflection of Nearly 90 Degrees
Yang JY(杨家艳)1; Dai J(戴俊)1,2; Chen HC(陈何超)1,2; Li HD(李海东)1; Jiang YC(姜云春)1; Yang JY(杨家艳), Email: yjy@ynao.ac.cn
发表期刊ASTROPHYSICAL JOURNAL
2018-07-20
卷号862期号:1
DOI10.3847/1538-4357/aaccfd
产权排序第1完成单位
收录类别SCI
关键词Sun: Activity Sun: Coronal Mass Ejections (Cmes) Sun: Flares Sun: Magnetic Fields Sun: Filaments Prominences
摘要Using the data from the Solar Dynamics Observatory, the Ahead of Solar Terrestrial Relations Observatory, the Global Oscillation Network Group (GONG), and the Large Angle and Spectrometric Coronagraphs, the nearly 90 degrees deflected eruption of a filament and the following coronal mass ejection (CME) occurring on the northern edge of AR 11123 on 2010 November 15 were presented in this paper. The filament was very small with the projected length of about 2.6 x 10(4) km and centered at about S23 degrees W 38 degrees. The potential-field source-surface model identified that the filament was located near the northern flank of a helmet streamer. The filament initially erupted northward to the nearby open fields with speeds from 151 to 336 km s(-1), resulting in a B7.6 subflare and some signatures of interchange reconnection. This suggested that the erupting filament interacted with the open fields at first. Then, guided by the highly-inclined open fields, it deflected about 90 degrees southward on the plane of the sky to the magnetic minimum in the streamer configuration. In addition, the CME with the width of 64 degrees and the central position angle of 221 degrees was also deflected obviously in the inner corona to attain its final direction. Because the eruption failed to penetrate the open fields, these results corroborate the idea that open magnetic flux can act as a magnetic wall while a streamer belt can act as a potential well for coronal eruptions in the Sun.
项目资助者National Natural Science Foundation of China(11633008, 11333007, 11503081, 11703084) ; CAS programs "Light of West China" ; Project of the Group for Innovation of Yunnan Province ; (QYZDJ-SSW-SLH012)
语种英语
学科领域天文学
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000439959500010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL MASS EJECTIONS ; DYNAMICS-OBSERVATORY SDO ; 3-DIMENSIONAL SHAPE ; MAGNETIC-FIELDS ; SOURCE REGIONS ; STEREO ; PROMINENCE ; FLARES ; CONFIGURATION ; PROPAGATION
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/17382
专题太阳物理研究组
通讯作者Yang JY(杨家艳), Email: yjy@ynao.ac.cn
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, P.O. Box 110, Kunming 650011, People's Republic of China
2.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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GB/T 7714
Yang JY,Dai J,Chen HC,et al. Filament Eruption with a Deflection of Nearly 90 Degrees[J]. ASTROPHYSICAL JOURNAL,2018,862(1).
APA Yang JY,Dai J,Chen HC,Li HD,Jiang YC,&Yang JY.(2018).Filament Eruption with a Deflection of Nearly 90 Degrees.ASTROPHYSICAL JOURNAL,862(1).
MLA Yang JY,et al."Filament Eruption with a Deflection of Nearly 90 Degrees".ASTROPHYSICAL JOURNAL 862.1(2018).
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