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A FLUX ROPE ERUPTION TRIGGERED BY JETS
Guo, J1; Liu Y(刘煜)2; Zhang, HQ1; Deng, YY1; Lin, JB1; Su, JT1; Guo, J (reprint author), Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2010-03-10
卷号711期号:2页码:1057-1061
DOI10.1088/0004-637X/711/2/1057
产权排序第2完成单位
收录类别SCI
关键词Sun: Activity Sun: Coronal Mass Ejections (Cmes) Sun: Filaments Prominences
摘要We present an observation of a filament eruption caused by recurrent chromospheric plasma injections (surges/jets) on 2006 July 6. The filament eruption was associated with an M2.5 two-ribbon flare and a coronal mass ejection (CME). There was a light bridge in the umbra of the main sunspot of NOAA 10898; one end of the filament was terminated at the region close to the light bridge, and recurrent surges were observed to be ejected from the light bridge. The surges occurred intermittently for about 8 hr before the filament eruption, and finally a clear jet was found at the light bridge to trigger the filament eruption. We analyzed the evolutions of the relative darkness of the filament and the loaded mass by the continuous surges quantitatively. It was found that as the occurrence of the surges, the relative darkness of the filament body continued growing for about 3-4 hr, reached its maximum, and kept stable for more than 2 hr until it erupted. If suppose 50% of the ejected mass by the surges could be trapped by the filament channel, then the total loaded mass into the filament channelwill be about 0.57x10(16) g with a momentum of 0.57x10(22) g cm s(-1) by 08:08 UT, which is a non-negligible effect on the stability of the filament. Based on the observations, we present a model showing the important role that recurrent chromospheric mass injection play in the evolution and eruption of a flux rope. Our study confirms that the surge activities can efficiently supply the necessary material for some filament formation. Furthermore, our study indicates that the continuous mass with momentum loaded by the surge activities to the filament channel could make the filament unstable and cause it to erupt.
项目资助者National Natural Science Foundation of China [10733020, 10911120051, 0911181001, 10933003] ; National Basic Research Program of China [2006CB806301] ; National Astronomical Observatories, Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000274848100007
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]X-RAY JETS ; H-ALPHA SURGES ; CORONAL MASS EJECTIONS ; MAGNETIC RECONNECTION ; ACTIVE REGION ; EMERGING FLUX ; TELESCOPE
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被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/7174
专题选址与日冕观测组
通讯作者Guo, J (reprint author), Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.
作者单位1.Key Laboratory of Solar Activity, National Astronomical Observatories, Beijing 100012, China
2.Yunnan Astronomical Observatory, National Astronomical Observatories, Kunming 650011, China
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Guo, J,Liu Y,Zhang, HQ,et al. A FLUX ROPE ERUPTION TRIGGERED BY JETS[J]. ASTROPHYSICAL JOURNAL,2010,711(2):1057-1061.
APA Guo, J.,Liu Y.,Zhang, HQ.,Deng, YY.,Lin, JB.,...&Guo, J .(2010).A FLUX ROPE ERUPTION TRIGGERED BY JETS.ASTROPHYSICAL JOURNAL,711(2),1057-1061.
MLA Guo, J,et al."A FLUX ROPE ERUPTION TRIGGERED BY JETS".ASTROPHYSICAL JOURNAL 711.2(2010):1057-1061.
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