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The relationships of sunspot magnetic field strength with sunspot area, umbral area and Penumbra-Umbra Radius Ratio
Jin CL(金春兰)1,2; Qu ZQ(屈中权)3; Xu CL(胥成林)1,2; Zhang XY(张霄宇)3; Sun MG(孙明国)1,2; Jin, CL (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2006-12
卷号306期号:1-2页码:23-27
DOI10.1007/s10509-006-9217-6
产权排序第1完成单位
收录类别SCI
关键词Sunspots-magnetic Field-umbral Area-radius Ratio
摘要Stokes profile inversion is very important to get the information on the vector magnetic field. Because the magnetic fields cannot be directly observed, adopting Stokes spectrum analysis to obtain vector magnetic field has become the major technique recently. Therefore, by Stokes profile inversion, we obtained vector magnetic fields of two layers based on the numerical solution (DELO solution, ReEs et al., 1989) to the polarized radiative transfer equation. We analyze the relationships of sunspot magnetic field strength with sunspot area, umbral area and penumbra-umbra radius ratio. By statistical research, it is found that the field strengths of the upper layer and the lower one decrease with the increasing penumbra-umbra radius ratio, and that the logarithmic expression is able to fit well the relationship between the maximum field strength of the upper layer and the sunspot area. Furthermore, we verify the result obtained by Ringnes and Jensen (1961) about the relationship between the maximum magnetic field strength and the umbral area, and the result obtained by Antalova (1991) of the relationship between the field strength and the penumbra-umbra radius ratio.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-640X
URL查看原文
归档日期2006-12-28
WOS记录号WOS:000242605600005
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]STOKES PROFILE ANALYSIS
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6082
专题太阳物理研究组
通讯作者Jin, CL (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Peoples R China.
作者单位1.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
3.National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming, Yunnan, 650011, P.R. China
推荐引用方式
GB/T 7714
Jin CL,Qu ZQ,Xu CL,et al. The relationships of sunspot magnetic field strength with sunspot area, umbral area and Penumbra-Umbra Radius Ratio[J]. ASTROPHYSICS AND SPACE SCIENCE,2006,306(1-2):23-27.
APA Jin CL,Qu ZQ,Xu CL,Zhang XY,Sun MG,&Jin, CL .(2006).The relationships of sunspot magnetic field strength with sunspot area, umbral area and Penumbra-Umbra Radius Ratio.ASTROPHYSICS AND SPACE SCIENCE,306(1-2),23-27.
MLA Jin CL,et al."The relationships of sunspot magnetic field strength with sunspot area, umbral area and Penumbra-Umbra Radius Ratio".ASTROPHYSICS AND SPACE SCIENCE 306.1-2(2006):23-27.
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