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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.
Source PublicationASTROPHYSICAL JOURNAL
2012-01-20
Volume745Issue:1
DOI10.1088/0004-637X/745/1/9
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Activity Sun: Coronal Mass Ejections (Cmes) Sun: Flares Sun: Filaments Sun: Magnetic Topology Prominences
AbstractOn 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.
Funding Organization973 Program [2011CB811403] ; Natural Science Foundation of China [10973038, 11173058]
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-637X
URL查看原文
Archive Date2012-01-05
WOS IDWOS:000300316600009
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCORONAL MASS EJECTION ; X-RAY ; INTERCONNECTING LOOPS ; NONRADIAL ERUPTION ; MAGNETIC-FIELDS ; SOLAR-ACTIVITY ; DIMMINGS ; FLARES ; PROMINENCE ; REGION
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6214
Collection太阳物理研究组
中国科学院天体结构与演化重点实验室
Corresponding AuthorYang, JY (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
Affiliation1.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
Recommended Citation
GB/T 7714
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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