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Observations of a Quasi-periodic, Fast-Propagating Magnetosonic Wave in Multiple Wavelengths and Its Interaction with Other Magnetic Structures
Shen, Y. -D.1,2,3; Liu, Y.1,2; Su, J. -T.2; Li, H.3; Zhang, X. -F.1; Tian, Z. -J.1; Zhao, R. -J.1; Elmhamdi, A.1,4
2013-12-01
Source PublicationSOLAR PHYSICS
ISSN0038-0938
Volume288Issue:2Pages:585-602
Corresponding AuthorShen, YD (通讯作者) Chinese Acad Sci, Yunnan Astron Observ, Beijing 100012, Peoples R China. 增强组织信息的名称 Chinese Academy of Sciences
AbstractWe present observations of a quasi-periodic fast-propagating (QFP) magnetosonic wave on 23 April 2012, with high-resolution observations taken by the Atmospheric Imaging Assembly onboard the Solar Dynamics Observatory. Three minutes after the start of a C2.0 flare, wave trains were first observed along an open divergent loop system in 171 observations at a distance of 150 Mm from the footpoint of the guiding loop system and with a speed of 689 km s(-1), then they appeared in 193 observations after their interaction with a perpendicular, underlaying loop system on the path; in the meantime; their speed decelerated to 343 km s(-1) within a short time. The sudden deceleration of the wave trains and their appearance in 193 observations are interpreted through a geometric effect and the density increase of the guiding loop system, respectively. We find that the wave trains have a common period of 80 seconds with the flare. In addition, a few low frequencies are also identified in the QFP wave. We propose that the generation of the period of 80 seconds was caused by the periodic releasing of energy bursts through some nonlinear processes in magnetic reconnection, while the low frequencies were possibly the leakage of pressure-driven oscillations from the photosphere or chromosphere, which could be an important source for driving coronal QFP waves. Our results also indicate that the properties of the guiding magnetic structure, such as the distributions of magnetic field and density as well as geometry, are crucial for modulating the propagation behaviors of QFP waves.
KeywordWaves, Magnetohydrodynamic Coronal Seismology Magnetic Fields, Corona
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11207-013-0395-4
WOS KeywordCORONAL LOOP OSCILLATIONS ; SOLAR CORONA ; MAGNETOACOUSTIC WAVES ; MASS EJECTION ; MHD WAVES ; PHOTOSPHERIC OSCILLATIONS ; TRANSITION REGION ; CURRENT SHEETS ; QUIET SUN ; FLARE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000326813900008
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9844
Collection分子云与恒星形成研究团组
Affiliation1.Chinese Acad Sci, Yunnan Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
4.King Saud Univ, Coll Sci, Dept Phys & Astron, Riyadh 11451, Saudi Arabia
Recommended Citation
GB/T 7714
Shen, Y. -D.,Liu, Y.,Su, J. -T.,et al. Observations of a Quasi-periodic, Fast-Propagating Magnetosonic Wave in Multiple Wavelengths and Its Interaction with Other Magnetic Structures[J]. SOLAR PHYSICS,2013,288(2):585-602.
APA Shen, Y. -D..,Liu, Y..,Su, J. -T..,Li, H..,Zhang, X. -F..,...&Elmhamdi, A..(2013).Observations of a Quasi-periodic, Fast-Propagating Magnetosonic Wave in Multiple Wavelengths and Its Interaction with Other Magnetic Structures.SOLAR PHYSICS,288(2),585-602.
MLA Shen, Y. -D.,et al."Observations of a Quasi-periodic, Fast-Propagating Magnetosonic Wave in Multiple Wavelengths and Its Interaction with Other Magnetic Structures".SOLAR PHYSICS 288.2(2013):585-602.
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