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A POSSIBLE DETECTION OF A FAST-MODE EXTREME ULTRAVIOLET WAVE ASSOCIATED WITH A MINI CORONAL MASS EJECTION OBSERVED BY THE SOLAR DYNAMICS OBSERVATORY
Zheng RS(郑瑞生); Jiang YC(姜云春); Hong JC(洪俊超); Yang JY(杨家艳); Bi Y(毕以); Yang LH(杨丽恒); Yang D(杨丹); Zheng, RS (reprint author), Chinese Acad Sci, Natl Astron Observ Yunnan Observ, Kunming 650011, Peoples R China.
Source PublicationASTROPHYSICAL JOURNAL LETTERS
2011-10-01
Volume739Issue:2
DOI10.1088/2041-8205/739/2/L39
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Activity Sun: Corona Sun: Coronal Mass Ejections (Cmes)
AbstractExtreme ultraviolet (EUV) waves are large-scale wavelike transients often associated with coronal mass ejections (CMEs). In this Letter, we present a possible detection of a fast-mode EUV wave associated with a mini-CME observed by the Solar Dynamics Observatory. On 2010 December 1, a small-scale EUV wave erupted near the disk center associated with a mini-CME, which showed all the low corona manifestations of a typical CME. The CME was triggered by the eruption of a mini-filament, with a typical length of about 30 ''. Although the eruption was tiny,the wave had the appearance of an almost semicircular front and propagated at a uniform velocity of 220-250 km s(-1) with very little angular dependence. The CME lateral expansion was asymmetric with an inclination toward north, and the southern footprints of the CME loops hardly shifted. The lateral expansion resulted in deep long-duration dimmings, showing the CME extent. Comparing the onset and the initial speed of the CME, the wave was likely triggered by the rapid expansion of the CME loops. Our analysis confirms that the small-scale EUV wave is a true wave, interpreted as a fast-mode wave.
Funding Organization973 Program [2011CB811403] ; Natural Science Foundation of China [10973038, 11173058]
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN2041-8205
URL查看原文
Archive Date2011-11-25
WOS IDWOS:000294997600005
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordSTEREO QUADRATURE OBSERVATIONS ; EIT WAVES ; QUIET SUN ; SOHO/EIT OBSERVATIONS ; NUMERICAL-SIMULATION ; MORETON WAVES ; CME EVENT ; MHD WAVES ; REFLECTION ; TELESCOPE
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6172
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.
AffiliationNational Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zheng RS,Jiang YC,Hong JC,et al. A POSSIBLE DETECTION OF A FAST-MODE EXTREME ULTRAVIOLET WAVE ASSOCIATED WITH A MINI CORONAL MASS EJECTION OBSERVED BY THE SOLAR DYNAMICS OBSERVATORY[J]. ASTROPHYSICAL JOURNAL LETTERS,2011,739(2).
APA Zheng RS.,Jiang YC.,Hong JC.,Yang JY.,Bi Y.,...&Zheng, RS .(2011).A POSSIBLE DETECTION OF A FAST-MODE EXTREME ULTRAVIOLET WAVE ASSOCIATED WITH A MINI CORONAL MASS EJECTION OBSERVED BY THE SOLAR DYNAMICS OBSERVATORY.ASTROPHYSICAL JOURNAL LETTERS,739(2).
MLA Zheng RS,et al."A POSSIBLE DETECTION OF A FAST-MODE EXTREME ULTRAVIOLET WAVE ASSOCIATED WITH A MINI CORONAL MASS EJECTION OBSERVED BY THE SOLAR DYNAMICS OBSERVATORY".ASTROPHYSICAL JOURNAL LETTERS 739.2(2011).
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