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On Astronomical Atmospheric Refraction
Mao W(冒蔚); Yang L(杨磊)
发表期刊Chinese Astronomy and Astrophysics
2008
卷号32期号:4页码:439-448
DOI10.1016/j.chinastron.2008.10.011
产权排序第1完成单位
收录类别其他
关键词Astrometry Earth: Atmospheric Models
摘要Through a comparison between the series expression and mapping function expression of the astronomical refraction, we believe that, as far as a specific atmospheric refraction model is concerned, the computational accuracy is not lower in the former than in the latter, and that the convergence is poorer in the theoretically derived series expression, because of the different approximations made. From an analysis of the method of generating function of the atmospheric refraction mapping function it is considered that this kind of method can not embody the characteristics of geophysics and atmospheric physics. It is pointed out from the comparison that the atmospheric refraction model which is constructed by adopting the specific atmospheric distribution of a certain place does not apply to all other places and cannot be used to evaluate the other atmospheric refraction models. For improving the correction accuracy the key lies in the adoption of an effective method by which the instantaneous refraction values at different positions are directly determined to construct a local, position-dependent model of atmospheric refraction observation.
项目资助者Provincial Science Foundation of Yunnan
语种英语
学科领域天文学
ISSN0275-1062
URL查看原文
归档日期2015-11-10
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9670
专题天体测量及应用研究组
作者单位National Astronomical Observatories Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011
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Mao W,Yang L. On Astronomical Atmospheric Refraction[J]. Chinese Astronomy and Astrophysics,2008,32(4):439-448.
APA Mao W,&Yang L.(2008).On Astronomical Atmospheric Refraction.Chinese Astronomy and Astrophysics,32(4),439-448.
MLA Mao W,et al."On Astronomical Atmospheric Refraction".Chinese Astronomy and Astrophysics 32.4(2008):439-448.
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