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Coronal wave associated with a non-radial filament eruption observed by the Solar Dynamics Observatory
Zheng RS(郑瑞生)1,2; Jiang YC(姜云春)2; Yang JY(杨家艳)2; Erdelyi, R1
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2014-10-21
Volume444Issue:2Pages:1119-1124
DOI10.1093/mnras/stu1361
Contribution Rank第2完成单位
Indexed BySCI
KeywordSun: Activity Sun: Corona Sun: Coronal Mass Ejections (Cmes)
Abstract

We analyse a coronal wave that occurred during a non-radial filament eruption observed by the Solar Dynamics Observatory on 2011 August 10. The filament underwent an extended time activation phase followed by an abrupt ejection, and during its evolution it rotated towards the south. The eruption was accompanied by fast-wave and slow-perturbation phenomena. The slow perturbation occurred before the eruption and impulsively accelerated almost simultaneously with the eruption; its final propagation velocity was about 300 km s(-1), approximately equal tothat of the associated coronal mass ejection. The slow perturbation is possibly an indicator of an expanding loop overlying the filament. The fast wave was probably caused by the rapid inflation of the overlying loop. Because of the eruption location close to the limb and the effect of the complex environment, the fast coronal wave showed different characteristics in different directions: the kick-off speed was about 430-480 km s(-1), showing deceleration in some directions, and a high speed of up to 782 +/- 21 km s(-1) in another direction. All the results indicate that the coronal wave was a fast-mode magnetohydrodynamic wave, and the wavelet analysis confirms the periodic wave nature of the coronal wave.

Funding Project973 Program[2011CB811403] ; Yunnan Province Natural Science Foundation (NSF)[2013FB085] ; Natural Science Foundation of China[10973038] ; Natural Science Foundation of China[11173058] ; Natural Science Foundation of China[11103090] ; UK Science and Technology Facilities Council
Funding Organization973 Program[2011CB811403] ; Yunnan Province Natural Science Foundation (NSF)[2013FB085] ; Natural Science Foundation of China[10973038, 11173058, 11103090] ; UK Science and Technology Facilities Council
Language英语
Subject Area天文学 ; 太阳与太阳系 ; 太阳物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherOXFORD UNIV PRESS
Publication PlaceGREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0035-8711
URL查看原文
WOS IDWOS:000342926300010
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordEXTREME-ULTRAVIOLET WAVE ; EIT WAVES ; MASS EJECTION ; SOHO/EIT OBSERVATIONS ; NUMERICAL-SIMULATION ; SDO/AIA OBSERVATIONS ; IMAGING TELESCOPE ; MORETON WAVES ; MHD WAVES ; EUV WAVE
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6241
Collection太阳物理研究组
Corresponding AuthorZheng RS(郑瑞生)
Affiliation1.Solar Physics and Space Plasma Research Center, University of Sheffield, Hounsfield Road, Hicks Building, Sheffield S3 7RH
2.National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650011, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zheng RS,Jiang YC,Yang JY,et al. Coronal wave associated with a non-radial filament eruption observed by the Solar Dynamics Observatory[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2014,444(2):1119-1124.
APA Zheng RS,Jiang YC,Yang JY,&Erdelyi, R.(2014).Coronal wave associated with a non-radial filament eruption observed by the Solar Dynamics Observatory.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,444(2),1119-1124.
MLA Zheng RS,et al."Coronal wave associated with a non-radial filament eruption observed by the Solar Dynamics Observatory".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 444.2(2014):1119-1124.
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