YNAO OpenIR  > 抚仙湖太阳观测和研究基地
Mid-infrared atmospheric transmittance at 5100m-altitude Ali Observatory
Wang FX(王飞翔)1,2; Xu FY(许方宇)1; Guo, Jie2; Zhao ZJ(赵志军)1,4; Hao, Rui-Ting2; Xiao, Jian-Guo3; Jia, Yu-Chao3; Huang SJ(黄善杰)1
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2020-08-01
Volume20Issue:8Pages:7
DOI10.1088/1674-4527/20/8/134
Contribution Rank第1完成单位
Indexed BySCI
Keywordinfrared atmospheric effects radiation mechanisms thermal
Abstract

Ali in Tibet, 5100 m above sea level, is one of the most suitable locations in the world for infrared spectral observations. The atmospheric transmittances at Ali Observatory and Mauna Kea Observatory were calculated by MODTRAN using radiosonde data. The results were 0.848 and 0.789 respectively which indicated better conditions at Ali Observatory. A self-made instrument with a 320x256-pixel HgCdTe infrared focal plane array and a 7.5-cm diameter telescope was utilized for the actual measurements. Without the help of standard stars, the on-site and real-time atmospheric transmittance can be obtained as 0.831 by fitting the relation between the measured atmospheric radiation intensity and the zenith angle based on radiation transfer equations. This paper firstly reports the atmospheric transmittance in theM' band (4.605-4.755 mu m) at the 5100 m-altitude Ali observatory by actual measurement. It shows that the high-altitude Ali observatory with sufficiently low water vapor content is suitable for observation in the mid-infrared bands.

Funding ProjectNational Natural Science Foundation of China[11673064] ; National Natural Science Foundation of China[11803089] ; National Natural Science Foundation of China[U1931124]
Funding OrganizationNational Natural Science Foundation of China[11673064, 11803089, U1931124]
Language英语
Subject Area天文学 ; 天体物理学 ; 实测天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Publication Place20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
ISSN1674-4527
URL查看原文
WOS IDWOS:000563436600001
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/23675
Collection抚仙湖太阳观测和研究基地
Corresponding AuthorXu FY(许方宇); Guo, Jie; Zhao ZJ(赵志军)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
2.Yunnan Key Laboratory of Optic-electronic InformationTechnology, Yunnan Normal University, Kunming 650092, China
3.Yunnan KIRO-CH Photonics Co. Ltd, Kunming 650217, China
4.School of Physics, Henan Normal University, Xinxiang 453007, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang FX,Xu FY,Guo, Jie,et al. Mid-infrared atmospheric transmittance at 5100m-altitude Ali Observatory[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2020,20(8):7.
APA Wang FX.,Xu FY.,Guo, Jie.,Zhao ZJ.,Hao, Rui-Ting.,...&Huang SJ.(2020).Mid-infrared atmospheric transmittance at 5100m-altitude Ali Observatory.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,20(8),7.
MLA Wang FX,et al."Mid-infrared atmospheric transmittance at 5100m-altitude Ali Observatory".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 20.8(2020):7.
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