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An extreme ultraviolet wave associated with a failed eruption observed by the Solar Dynamics Observatory
Zheng RS(郑瑞生); Jiang YC(姜云春); Yang JY(杨家艳); Bi Y(毕以); Hong JC(洪俊超); Yang B(杨波); Yang D(杨丹); Zheng, R (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Peoples R China.
发表期刊ASTRONOMY & ASTROPHYSICS
2012-05
卷号541
DOI10.1051/0004-6361/201118305
产权排序第1完成单位
收录类别SCI ; EI
关键词Sun: Activity Sun: Corona Sun: Filaments Prominences
摘要Aims. Taking advantage of the high temporal and spatial resolution of the Solar Dynamics Observatory (SDO) observations, we present an extreme ultraviolet (EUV) wave associated with a failed filament eruption that generated no coronal mass ejection (CME) on 2011 March 1. We aim at understanding the nature and origin of this EUV wave. Methods. Combining the high-quality observations in the photosphere, the chromosphere, and the corona, we studied the characteristics of the wave and its relations to the associated eruption. Results. The event occurred at an ephemeral region near a small active region. The continuous magnetic flux cancelation in the ephemeral region produced pre-eruption brightenings and two EUV jets, and excited the filament eruption, accompanying it with a microflare. After the eruption, the filament material appeared far from the eruption center, and the ambient loops seemed to be intact. It was evident that the filament eruption had failed and was not associated with a CME. The wave happened just after the north jet arrived, and apparently emanated ahead of the north jet, far from the eruption center. The wave propagated at nearly constant velocities in the range of 260-350 km s(-1), with a slight negative acceleration in the last phase. Remarkably, the wave continued to propagate, and a loop in its passage was intact when wave and loop met. Conclusions. Our analysis confirms that the EUV wave is a true wave, which we interpret as a fast-mode wave. In addition, the close temporal and spatial relationship between the wave and the jet provides evidence that the wave was likely triggered by the jet when the CME failed to happen.
项目资助者973 Program [2011CB811403] ; Natural Science Foundation of China [10973038, 11173058, 11103090] ; Shandong Province Natural Science Foundation [ZR2011AQ009]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
URL查看原文
归档日期2012-05-18
WOS记录号WOS:000304390900049
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL MASS EJECTION ; EIT WAVES ; SOHO/EIT OBSERVATIONS ; NUMERICAL-SIMULATION ; FILAMENT ERUPTIONS ; IMAGING TELESCOPE ; KINK INSTABILITY ; MORETON WAVES ; MAGNETIC LOOP ; MHD WAVES
引用统计
被引频次:11[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/114a53/6204
专题太阳物理研究组
通讯作者Zheng, R (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Peoples R China.
作者单位National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650011, PR China
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Zheng RS,Jiang YC,Yang JY,et al. An extreme ultraviolet wave associated with a failed eruption observed by the Solar Dynamics Observatory[J]. ASTRONOMY & ASTROPHYSICS,2012,541.
APA Zheng RS.,Jiang YC.,Yang JY.,Bi Y.,Hong JC.,...&Zheng, R .(2012).An extreme ultraviolet wave associated with a failed eruption observed by the Solar Dynamics Observatory.ASTRONOMY & ASTROPHYSICS,541.
MLA Zheng RS,et al."An extreme ultraviolet wave associated with a failed eruption observed by the Solar Dynamics Observatory".ASTRONOMY & ASTROPHYSICS 541(2012).
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