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SYMPATHETIC FILAMENT ERUPTIONS FROM A BIPOLAR HELMET STREAMER IN THE SUN
Yang JY(杨家艳)1,2; Jiang YC(姜云春)1; Zheng RS(郑瑞生)1; Bi Y(毕以)1; Hong JC(洪俊超)1; Yang B(杨波)1; Yang, JY (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2012-01-20
卷号745期号:1
DOI10.1088/0004-637X/745/1/9
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: Filaments Sun: Magnetic Topology Prominences
摘要On 2005 August 5, two solar filaments erupted successively from different confined arcades underlying a common overarching multiple-arcade bipolar helmet streamer. We present detailed observations of these two events and identify them as sympathetic filament eruptions. The first (F1) is a small active-region filament located near the outskirts of the streamer arcade. It underwent a nonradial eruption, initially moving in the interior of the streamer arcade and resulting in an over-and-out coronal mass ejection. The second filament (F2), a larger quiescent one far away from F1, was clearly disturbed during the F1 eruption. It then underwent a very slow eruption and finally disappeared completely and permanently. Because two belt-shaped diffuse dimmings formed along the footprints of the streamer arcade in the first eruption and persisted throughout the complete disappearance of F2, the eruption series are interpreted as sympathetic: the simple expansion of the common streamer arcade forced by the F1 eruption weakened magnetic flux overlying F2 and thus led to its slow eruption, with the dimming formation indicating their physical connection. Our observations suggest that multiple-arcade bipolar helmet-streamer configurations are appropriate to producing sympathetic eruptions. Combined with the recent observations of unipolar-streamer sympathetic events, it appears that a multiple-arcade unipolar or bipolar helmet streamer can serve as a common magnetic configuration for sympathetic eruptions.
项目资助者973 Program [2011CB811403] ; Natural Science Foundation of China [10973038, 11173058]
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2012-01-05
WOS记录号WOS:000300316600009
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL MASS EJECTION ; X-RAY ; INTERCONNECTING LOOPS ; NONRADIAL ERUPTION ; MAGNETIC-FIELDS ; SOLAR-ACTIVITY ; DIMMINGS ; FLARES ; PROMINENCE ; REGION
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6214
专题太阳物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Yang, JY (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatory/Yunnan Astronomical Observatory, Chinese Academy of Sciences, P.O. Box 110, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
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Yang JY,Jiang YC,Zheng RS,et al. SYMPATHETIC FILAMENT ERUPTIONS FROM A BIPOLAR HELMET STREAMER IN THE SUN[J]. ASTROPHYSICAL JOURNAL,2012,745(1).
APA Yang JY.,Jiang YC.,Zheng RS.,Bi Y.,Hong JC.,...&Yang, JY .(2012).SYMPATHETIC FILAMENT ERUPTIONS FROM A BIPOLAR HELMET STREAMER IN THE SUN.ASTROPHYSICAL JOURNAL,745(1).
MLA Yang JY,et al."SYMPATHETIC FILAMENT ERUPTIONS FROM A BIPOLAR HELMET STREAMER IN THE SUN".ASTROPHYSICAL JOURNAL 745.1(2012).
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