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A Quasi-periodic Fast-propagating Magnetosonic Wave Associated with the Eruption of a Magnetic Flux Rope
Shen YD(申远灯)1,2,3; Liu Y(刘煜)1; Song TF(宋腾飞)1,4; Tian ZJ(田占军)1
Source PublicationASTROPHYSICAL JOURNAL
2018-01-20
Volume853Issue:1
DOI10.3847/1538-4357/aaa3ff
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Activity Sun: Coronal Mass Ejections (Cmes) Sun: Flares Sun: Oscillations Waves
Abstract

Using high temporal and high spatial resolution observations taken by the Atmospheric Imaging Assembly on board the Solar Dynamics Observatory, we present a detailed observational analysis of a high-quality quasi-periodic fast-propagating (QFP) magnetosonic wave that was associated with the eruption of a magnetic flux rope and a GOES C5.0 flare. For the first time, we find that the QFP wave lasted for the entire flare lifetime rather than only during the rising phase of the accompanying flare, as reported in previous studies. In addition, the propagation of the different parts of the wave train showed different kinematics and morphologies. For the southern (northern) part, the speed, duration, and intensity variation are about 875 +/- 29 (1485 +/- 233) km s(-1), 45 (60) minutes, and 4% (2%), and their pronounced periods are 106 +/- 12 and 160 +/- 18 (75 +/- 10 and 120 +/- 16) s, respectively. It is interesting that the northern part of the wave train showed an obvious refraction effect when it passed through a region of strong magnetic field. The result of a periodicity analysis indicates that all of the periods of the QFP wave can be found in the period spectrum of the accompanying flare, suggesting their common physical origin. We propose that the quasi-periodic nonlinear magnetohydrodynamics process in the magnetic reconnection that produces the accompanying flare should be important in exciting a QFP wave, and the different magnetic distributions along different paths can account for the different speeds and morphology evolution of the wave fronts.

Funding ProjectNatural Science Foundation of China[11403097] ; Natural Science Foundation of China[11773068] ; Natural Science Foundation of China[11633008] ; Yunnan Science Foundation[2015FB191] ; Yunnan Science Foundation[2017FB006] ; Specialized Research Fund for State Key Laboratories ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2014047]
Funding OrganizationNatural Science Foundation of China[11403097, 11773068, 11633008] ; Yunnan Science Foundation[2015FB191, 2017FB006] ; Specialized Research Fund for State Key Laboratories ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2014047]
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
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS IDWOS:000423055800001
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordSOLAR CORONA ; PULSATIONS ; SDO ; OSCILLATIONS ; EMISSION ; RHESSI
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/12284
Collection选址与日冕观测组
Corresponding AuthorShen YD(申远灯)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, People's Republic of China
2.State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100190, China
3.Center for Astronomical Mega-Science, Chinese Academy of Sciences, Beijing, 100012, People's Republic of China
4.School of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Shen YD,Liu Y,Song TF,et al. A Quasi-periodic Fast-propagating Magnetosonic Wave Associated with the Eruption of a Magnetic Flux Rope[J]. ASTROPHYSICAL JOURNAL,2018,853(1).
APA Shen YD,Liu Y,Song TF,&Tian ZJ.(2018).A Quasi-periodic Fast-propagating Magnetosonic Wave Associated with the Eruption of a Magnetic Flux Rope.ASTROPHYSICAL JOURNAL,853(1).
MLA Shen YD,et al."A Quasi-periodic Fast-propagating Magnetosonic Wave Associated with the Eruption of a Magnetic Flux Rope".ASTROPHYSICAL JOURNAL 853.1(2018).
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