| Vector Magnetic Field Measurement of NOAA AR 10197 |
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| 作者姓名： | Hong-Fei Liang Hai-Juan Zhao and Fu-Yuan Xiang National Astronomical Observatories / Yunnan Observatory Chinese Academy of Sciences Kunming Graduate School of Chinese Academy of Sciences Beijing Yunnan Normal University Kunming National Satellite Meteorological Center China Meteorological Administration Beijing Xiangtan University Xiangtan |
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| 作者单位： | Hong-Fei Liang，Hai-Juan Zhao and Fu-Yuan Xiang National Astronomical Observatories / Yunnan Observatory，Chinese Academy of Sciences，Kunming 650011; Graduate School of Chinese Academy of Sciences，Beijing 100049 Yunnan Normal University，Kunming 650092 National Satellite Meteorological Center，China Meteorological Administration，Beijing 100081 Xiangtan University，Xiangtan 411105 |
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| 基金项目： | Supported by the National Natural Science Foundation of China. |
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| 摘 要： | A set of two-dimensional Stokes spectral data of NOAA AR 10197 obtained by the Solar Stokes Spectral Telescope (S3T) at the Yunnan Observatory are qualitatively analyzed. The three components of the vector magnetic field, the strength H, inclinationγand azimuth X, are derived. Based on the three components, we contour the distributions of the longitudinal magnetic field and transverse magnetic field. The active region (AR) has two different magnetic polarities apparent in the longitudinal magnetic map due to projection effect. There is a basic agreement on the longitudinal magnetic fields between the S3T and SOHO/MDI magnetograms, with a correlation coefficientρBl = 0.911. The transverse magnetic field of the AR has a radial distribution from a center located in the southwest of the AR. It is also found that the transverse magnetic fields obtained by Huairou Solar Observing Station (HRSOS) have a similar radial distribution. The distributions of transverse magnetic field obtained by S3T and HRSOS have correlation coefficients,ρAzimu = 0.86 andρBt = 0.883, in regard to the azimuthal angle and intensity.
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| 关 键 词： | 剖面图 太阳 黑子 向量 偏振现象 |
Vector Magnetic Field Measurement of NOAA AR 10197 |
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| Hong-Fei Liang,Hai-Juan Zhao and Fu-Yuan Xiang National Astronomical Observatories / Yunnan Observatory,Chinese Academy of Sciences,Kunming , Graduate School of Chinese Academy of Sciences,Beijing Yunnan Normal University,Kunming National Satellite Meteorological Center,China Meteorological Administration,Beijing Xiangtan University,Xiangtan .Vector Magnetic Field Measurement of NOAA AR 10197[J].Chinese Journal of Astronomy and Astrophysics,2006,6(4):470-476. |
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| Authors: | Hong-Fei Liang Hai-Juan Zhao Fu-Yuan Xiang |
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| Institution: | [1]National Astronomical Observatories / Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011 [2]Graduate School of Chinese Academy of Sciences, Beijing 100049 [3]Yunnan Normal University, Kunming 650092 [4]National Satellite Meteorological Center, China Meteorological Administration, Beijing 100081 [5]Xiangtan University, Xiangtan 411105 |
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| Abstract: | |
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| Keywords: | line: profiles - sun: sunspots - sun: vector magnetic field - polarization |
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