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Observational evidence of unwinding and chirality changing in penumbral filaments by Hinode
Su, Jiangtao1,2; Liu Y(刘煜)3
Source PublicationProceedings of the International Astronomical Union (IAU) Symposium - Solar and Astrophysical Dynamos and Magnetic Activity
2013-07
Volume294
Pages565-566
DOI10.1017/S1743921313003220
Contribution Rank第3完成单位
Indexed By其他
Conference Name294th International Astronomical Union (IAU) Symposium: Solar and Astrophysical Dynamos and Magnetic Activity
Conference Date2012-08-27
Conference PlaceBeijing, China
KeywordSun: Photosphere Sun: Filaments Sun: Magnetic Fields
Abstract

In this paper, we study twisting motions of the penumbral filaments of active region NOAA 10930. At first, they made unwinding motions. After unwinding, the filaments are found
to twist again and developed the opposite chirality in them. These observational results indicate that penumbral filaments are more inclined to be the twisted magnetic flux tubes in nature.

Funding Projectthe Grants[KJCX2-EW-T07] ; the Grants[2011CB811401] ; the Grants[11178005] ; the Grants[10878004] ; the Grants[11221063] ; the Grants[11203036] ; the Specialized Research Fund for State Key Laboratories
Funding Organizationthe Specialized Research Fund for State Key Laboratories
Language英语
Subject Area恒星形成与演化 ; 太阳物理学
MOST Discipline Catalogue理学 ; 理学::天文学
PublisherCambridge University Press
Publication PlaceCambridge, UK
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Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/12111
Collection选址与日冕观测组
Corresponding AuthorSu, Jiangtao
Affiliation1.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Science, Beijing 100012, China
2.State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100190
3.National Astronomical Observatories, Yunnan observatory, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Su, Jiangtao,Liu Y. Observational evidence of unwinding and chirality changing in penumbral filaments by Hinode[C]. Cambridge, UK:Cambridge University Press,2013:565-566.
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