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The coronal mass ejection associated with the loop eruption and coronal dimmings on 2009 December 13
Zheng RS(郑瑞生)1,2; Jiang YC(姜云春)1; Yang LH(杨丽恒)1,2; Bi Y(毕以)1,2; Zheng, RS (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Source PublicationASTROPHYSICS AND SPACE SCIENCE
2011-03
Volume332Issue:1Pages:81-89
DOI10.1007/s10509-010-0505-9
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Loop Eruption Sun: Flux Emergence Sun: Coronal Mass Ejections (Cmes)
AbstractBy using the multi-wavelength observations from the Solar Terrestrial Relations Observatory (STEREO), the Solar and Heliospheric Observatory (SOHO), the Transition Region and Coronal Explorer (TRACE) and the HINODE, we study a coronal mass ejection (CME) and associated coronal dimming occurred on 2009 December 13, as a consequence of the expansion and eruption of EUV loops. The activities were probably triggered by the new flux emergence and the convergence motions, which were evident in the magnetograms from Michelson Doppler Imager (MDI) on the SOHO. The emergence led to the destabilization and eruption of the preexistent flux rope, which was highly-sheared over the polarity inversion line. Driven by the ejection of the flux rope, the overlying loops initially slowly rose and then erupted. As a result, two coronal dimming regions formed at the footprints of the loops and a B1.9 flare, about half an hour later, occurred in the eruptive region near one foot of the eruptive loops. The CME had a very close temporal and spatial relationship to the expanding loops, and it is very likely that the CME directly developed from the eruptive loops. The CME mass calculated from the EUV dimming was of the same order of the typical CME mass, suggesting that the dimming region supplied major of the mass for the CME. The kinematic evolution of the CME was basically consistent with the three-phases scenario: the initiation phase, impulsive acceleration phase, and propagation phase. The onset of the CME could be well explained by the emerging flux trigger mechanism.
Funding Organization973 Program [2011CB811400] ; Natural Science Foundation of China [10973038, 40636031] ; Scientific Application Foundation of Yunnan Province [2007A112M, 2007A115M]
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-640X
URL查看原文
Archive Date2011-02-21
WOS IDWOS:000287981300009
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordRAY TELESCOPE XRT ; SOLAR-FLARE MYTH ; MAGNETIC-FLUX ; EMERGING FLUX ; INTERCONNECTING LOOPS ; MISSION ; CMES ; DISAPPEARANCES ; INITIATION ; FILAMENT
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6183
Collection太阳物理研究组
Corresponding AuthorZheng, RS (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Affiliation1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming, 650011, China
2.Graduate School of Chinese Academy of Sciences, Beijing, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zheng RS,Jiang YC,Yang LH,et al. The coronal mass ejection associated with the loop eruption and coronal dimmings on 2009 December 13[J]. ASTROPHYSICS AND SPACE SCIENCE,2011,332(1):81-89.
APA Zheng RS,Jiang YC,Yang LH,Bi Y,&Zheng, RS .(2011).The coronal mass ejection associated with the loop eruption and coronal dimmings on 2009 December 13.ASTROPHYSICS AND SPACE SCIENCE,332(1),81-89.
MLA Zheng RS,et al."The coronal mass ejection associated with the loop eruption and coronal dimmings on 2009 December 13".ASTROPHYSICS AND SPACE SCIENCE 332.1(2011):81-89.
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