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A small-scale EUV jet in the quiet Sun region
Hong JC(洪俊超)1,2; Jiang YC(姜云春)1; Zheng RS(郑瑞生)1; Bi Y(毕以)1
Source PublicationProceedings of the International Astronomical Union (IAU) Symposium - Solar and Astrophysical Dynamos and Magnetic Activity
2013-07
Volume294
Pages555-559
DOI10.1017/S1743921313003207
Contribution Rank第1完成单位
Indexed By其他
Conference Namethe 294th International Astronomical Union (IAU) Symposium - Solar and Astrophysical Dynamos and Magnetic Activity
Conference Date2012-08-27
Conference PlaceBeijing, China
KeywordSun: Magnetic Fields Sun: Evolution
Abstract

Solar jets are typical proxies of small-scale magnetic reconnection events in the solar atmosphere. In this paper, we observe a small-scale jet in a solar quiet region, using data from SDO/Atmospheric Imaging Assembly (AIA), Helioseismic and Magnetic Imager (HMI), with supplemental data from STEREO/EUVI. From HMI magnetograms and calculated photospheric flows, we find that the jet is related to the interaction between unipolar network fields and emerging internetwork bipoles at the boundary of a supergranular cell. In AIA extreme-ultraviolet images, the jet actually includes two successive plasma ejections along different directions. The first ejection follows a distorted path which guides plasma into a small filament channel nearby. However, the second one shot straight along another direction that is parallel with extrapolated potential magnetic field lines on the local. According to these observations, we advocate that during the jet eruption new emerging magnetic fields are reconnecting at the edge of the supergranular cell with different kinds of ambient fields from low (magnetic canopy) to high (high-reaching loops) to allow the occurrence of successive ejections along different directions.

Funding Project973 Program[2011CB811400] ; Natural Science Foundation of China[10973038] ; Natural Science Foundation of China[11173058]
Funding Organization973 Program ; Natural Science Foundation of China
Language英语
Subject Area天文学 ; 天体物理学 ; 太阳与太阳系
MOST Discipline Catalogue理学 ; 理学::天文学
PublisherCambridge University Press
URL查看原文
Archive Date2013-08-13
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Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6569
Collection太阳物理研究组
Corresponding AuthorHong JC(洪俊超)
Affiliation1.National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, P.R.China
2.Graduate School of Chinese Academy of Sciences, Beijing, P.R. China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Hong JC,Jiang YC,Zheng RS,et al. A small-scale EUV jet in the quiet Sun region[C]:Cambridge University Press,2013:555-559.
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