NAOC Open IR
Site testing campaign for the Large Optical Telescope at the Ali site
Liu, Li-Yong1; Yao, Yong-Qiang1; Yin, Jia1,2; Wang, Hong-Shuai1; Li, Jun-Rong1; Zhou, Yun-He1; You, Xian-Long1; Tang, Peng1; Zhao, Xi-Yu1; Ma, De-Qiang1; Dong, Jian1
2020-06-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume20Issue:6Pages:10
AbstractThe Large Optical/infrared Telescope (LOT) is a ground-based 12 m diameter telescope which is proposed to be built in western China. The site selection for LOT in China began in 2016, and Ali was listed as one of the three candidate sites. Remote studies and local surveys have been carried out for more than 15 years in western China, and the results show that Ali is a promising site with comprehensive quality in terms of atmospheric and supporting conditions. An overview of the site testing campaign at the Ali site from 2016 to 2019 is presented. After the two years of data collection, the overall median seeing value is found to be 1.17 arcsec, the observable nights are 81.71% and the good observable nights are 71.76%. The weather conditions as follows, the median night temperature value is -5.18 degrees C, the median night relative humidity value is 41.25%, the median night atmospheric pressure value is 540.92 hPa, the median night wind speed value is 7.41 m s(-1)and the mainly wind direction is southwestern (SW). The median night sky background value is 22.07 magV. We also discuss the wind speed at different locations on-site, the possibility of light pollution and the effect of wind speed on differential image motion monitor (DIMM) seeing measurements.
Keywordlarge optical telescope site testing Ali site cloudiness seeing
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences
DOI10.1088/1674-4527/20/6/84
WOS KeywordLAMOST SITE
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[11873063] ; National Natural Science Foundation of China (NSFC)[11373043] ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB23020300]
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000545661700001
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/82744
Collection中国科学院国家天文台
Corresponding AuthorLiu, Li-Yong
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Li-Yong,Yao, Yong-Qiang,Yin, Jia,et al. Site testing campaign for the Large Optical Telescope at the Ali site[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2020,20(6):10.
APA Liu, Li-Yong.,Yao, Yong-Qiang.,Yin, Jia.,Wang, Hong-Shuai.,Li, Jun-Rong.,...&Dong, Jian.(2020).Site testing campaign for the Large Optical Telescope at the Ali site.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,20(6),10.
MLA Liu, Li-Yong,et al."Site testing campaign for the Large Optical Telescope at the Ali site".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 20.6(2020):10.
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