中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Solar Intranetwork Magnetic Elements: Bipolar Flux Appearance

文献类型:期刊论文

作者Wang, Jingxiu1; Zhou, Guiping1; Jin, Chunlan1; Li, Hui2
刊名SOLAR PHYSICS
出版日期2012-06-01
卷号278期号:2页码:299-322
关键词Sun: activity Sun: magnetic field Sun: photosphere Sun: intranetwork
英文摘要This study aims to quantify characteristic features of the bipolar flux appearance of solar intranetwork (IN) magnetic elements. To attack this problem, we use the Narrowband Filter Imager (NFI) magnetograms from the Solar Optical Telescope (SOT) on board Hinode; these data are from quiet and enhanced network areas. Cluster emergence of mixed polarities and IN ephemeral regions (ERs) are the most conspicuous forms of bipolar flux appearance within the network. Each of the clusters is characterized by a few well-developed ERs that are partially or fully coaligned in magnetic axis orientation. On average, the sampled IN ERs have a total maximum unsigned flux of several 10(17) Mx, a separation of 3 -aEuro parts per thousand 4 arcsec, and a lifetime of 10 -aEuro parts per thousand 15 minutes. The smallest IN ERs have a maximum unsigned flux of several 10(16) Mx, separations of less than 1 arcsec, and lifetimes as short as 5 minutes. Most IN ERs exhibit a rotation of their magnetic axis of more than 10 degrees during flux emergence. Peculiar flux appearance, e.g., bipole shrinkage followed by growth or the reverse, is not unusual. A few examples show repeated shrinkage-growth or growth-shrinkage, like magnetic floats in the dynamic photosphere. The observed bipolar behavior seems to carry rich information on magnetoconvection in the subphotospheric layer.
收录类别SCI
语种英语
WOS记录号WOS:000303396200005
源URL[http://ir.bao.ac.cn/handle/114a11/6231]  
专题国家天文台_太阳物理研究部
作者单位1.Chinese Acad Sci, Key Lab Solar Act, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
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Wang, Jingxiu,Zhou, Guiping,Jin, Chunlan,et al. Solar Intranetwork Magnetic Elements: Bipolar Flux Appearance[J]. SOLAR PHYSICS,2012,278(2):299-322.
APA Wang, Jingxiu,Zhou, Guiping,Jin, Chunlan,&Li, Hui.(2012).Solar Intranetwork Magnetic Elements: Bipolar Flux Appearance.SOLAR PHYSICS,278(2),299-322.
MLA Wang, Jingxiu,et al."Solar Intranetwork Magnetic Elements: Bipolar Flux Appearance".SOLAR PHYSICS 278.2(2012):299-322.

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来源:国家天文台

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