太阳Stokes光谱望远镜的结构及其数据处理方法
Structure and Data Processing of the Solar Stokes Spectral Telescope
查看参考文献17篇
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文摘
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云南天文台的太阳Stokes光谱望远镜是一台通过测量磁敏谱线的Stokes参数I,Q,U和V的轮廓来研究太阳磁场精细结构的光谱型矢量磁场测量仪。它利用4个完整的Stokes轮廓所蕴含的丰富信息,完全确定辐射的偏振状态,从而精确地测定太阳黑子区的矢量磁场。文章首先介绍了该望远镜的结构,进而详细地介绍了该望远镜所测量的偏振光谱资料的处理方法。 |
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其他语种文摘
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The Solar Stokes Spectra Telescope at the Yunnan Observatory is a typical spectral vector magnetograph which can measure accurately the vector magnetic field of sunspots by using Stokes profiles, I、Q、U and V,of magnetic-sensitive lines. By using abundant message contained in the four Stokes profiles, it can determine the polarization state of radiation from the sunspots and measure accurately the vector magnetic field within sunspots. The structure of the telescope is described firstly. In the following, the process of the polarization spectra collected by the telescope is introduced in detail.
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来源
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天文研究与技术
,2007,4(3):249-257 【核心库】
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关键词
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偏振
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Fourier变换
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平场
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暗场
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地址
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1.
云南师范大学物理系, 云南, 昆明, 650092
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中科院国家天文台云南天文台, 云南, 昆明, 650011
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中国国家气象局, 北京, 100081
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1672-7673 |
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学科
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天文学 |
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文献收藏号
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CSCD:2973135
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参考文献 共
17
共1页
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