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A Longitudinally Asymmetrical Kink Oscillation of Coronal Loop Caused by a Diagonally Placed Flare below the Loop System
Li, Hongbo1; Feng, Hengqiang1,2; Liu Y(刘煜)3; Tian, Zhanjun1; Huang J(黄锦)3,4; Miao YH(苗玉虎)3,4
Source PublicationASTROPHYSICAL JOURNAL
2019-08-20
Volume881Issue:2Pages:6
DOI10.3847/1538-4357/ab2bf7
Contribution Rank第3完成单位
Indexed BySCI
KeywordSun: activity Sun: corona Sun: oscillations
Abstract

Although fast kink oscillations of coronal loops have been extensively studied for decades, details about their excitation, evolution, and damping remain elusive. Here, we present, for the first time, a longitudinally asymmetrical fast kink oscillation of a coronal loop that is excited by a GOES C-class flare located diagonally below the loop system. In this case, a damping-like phase and a growing-like phase are successively observed after the flare in different loop segments that are far from and close to the flare site, respectively. The investigation provides us with a new and valuable clue for the widely observed distinct deviations of fast kink oscillations from the sinusoidal pattern, especially for the local damping-like or growing-like phases associated with diagonally placed excitation sources, by illuminating a probable effect of the diagonally placed excitation source.

Funding ProjectNational Scientific Foundation of China[NSFC 41674170] ; National Scientific Foundation of China[41804163] ; National Scientific Foundation of China[41874204] ; National Scientific Foundation of China[11873090]
Funding OrganizationNational Natural Science Foundation of China[NSFC 41674170, 41804163, 41874204, 11873090]
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:000482006100010
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordTRANSVERSE OSCILLATIONS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/20872
Collection选址与日冕观测组
Corresponding AuthorFeng, Hengqiang
Affiliation1.Institute of Space Physics, Luoyang Normal University, Luoyang, People's Republic of China;
2.Henan Key Laboratory of Electromagnetic Transformation and Detection, People's Republic of China
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, People's Republic of China
4.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
Recommended Citation
GB/T 7714
Li, Hongbo,Feng, Hengqiang,Liu Y,et al. A Longitudinally Asymmetrical Kink Oscillation of Coronal Loop Caused by a Diagonally Placed Flare below the Loop System[J]. ASTROPHYSICAL JOURNAL,2019,881(2):6.
APA Li, Hongbo,Feng, Hengqiang,Liu Y,Tian, Zhanjun,Huang J,&Miao YH.(2019).A Longitudinally Asymmetrical Kink Oscillation of Coronal Loop Caused by a Diagonally Placed Flare below the Loop System.ASTROPHYSICAL JOURNAL,881(2),6.
MLA Li, Hongbo,et al."A Longitudinally Asymmetrical Kink Oscillation of Coronal Loop Caused by a Diagonally Placed Flare below the Loop System".ASTROPHYSICAL JOURNAL 881.2(2019):6.
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