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Differential measurement of atmospheric refraction using a telescope with double fields of view
Yu Yong1; Cao JianJun1; Tang ZhengHong1; Luo Hao1; Zhao Ming1
2015
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume15Issue:10Pages:1742
AbstractFor the sake of advancing theoretical research about atmospheric refraction, the atmospheric refraction observed at lower angles of elevation is still worth analyzing and exploring. In some engineering applications, objects with a larger zenith distance must sometimes be observed. Carrying out observational research on atmospheric refraction at lower angles of elevation has an important significance. However, it has been considered difficult to measure the atmospheric refraction at lower angles of elevation. A new idea for determining atmospheric refraction by utilizing differential measurement with double fields of view is proposed. Taking the observational principle used by the HIPPARCOS satellite as a reference, a prototype with double fields of view was developed. In August 2013, experimental observations were carried out and atmospheric refractions at lower angles of elevation were obtained by the prototype. The measured value of atmospheric refraction at a zenith distance of 78.8 degrees was 240.23" +/- 0.27'', and the feasibility of differential measurement of atmospheric refraction with double fields of view was verified. Limitations of the prototype, such as inadequate ability to gather light, lack of accurate meteorological data recording, and a low level of automation in observation and data processing, are pointed out, which need to be improved in subsequent work.
Keywordastrometry atmospheric effects methods: observational
Language英语
Funding Project[National Natural Science Foundation of China]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/59793
Collection中国科学院国家天文台
Affiliation1.中国科学院国家天文台
2.中国科学院大学
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yu Yong,Cao JianJun,Tang ZhengHong,et al. Differential measurement of atmospheric refraction using a telescope with double fields of view[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2015,15(10):1742.
APA Yu Yong,Cao JianJun,Tang ZhengHong,Luo Hao,&Zhao Ming.(2015).Differential measurement of atmospheric refraction using a telescope with double fields of view.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,15(10),1742.
MLA Yu Yong,et al."Differential measurement of atmospheric refraction using a telescope with double fields of view".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 15.10(2015):1742.
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