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《天文和天体物理学研究(英文版)》 2012-07
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The site conditions of the Guo Shou Jing Telescope

Song Yao 1 , 2 , Chao Liu 1 , Hao-Tong Zhang 1 , Li-Cai Deng 1 , Heidi Jo Newberg 3 , Yue-Yang Zhang 1 , 2 , Jing Li 1 , 4 , Nian Liu 1 , 4 , Xu Zhou 1 , Jeffrey L. Carlin 3 , Li Chen 5 , Norbert Christlieb 6 , Shuang Gao 1 , Zhan-Wen Han 7 , Jin-Liang Hou 5 , Hsu-Tai Lee 8 , Xiao-Wei Liu 9 , Kai-Ke Pan 10 , Hong-Chi Wang 11 , Yan Xu 1 and Fan Yang 1 , 21 Key Lab of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China; 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China 3 Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180, USA 4 School of Physics and Electronic Information, China West Normal University, Nanchong 637000, China 5 Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China 6 Center for Astronomy, University of Heidelberg, Landessternwarte, Ko¨nigstuhl 12, D-69117 Heidelberg, Germany 7 Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650011, China 8 Institute of Astronomy and Astrophysics, Academia Sinica, P.O. Box 23-141, Taipei 106, China 9 Department of Astronomy & Kavli Institute of Astronomy and Astrophysics, Peking University, Beijing 100871, China 10 Apache Point Observatory, PO Box 59, Sunspot, NM 88349, USA 11 Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China  
The weather at the Xinglong Observing Station, where the Guo Shou Jing Telescope (GSJT) is located, is strongly affected by the monsoon climate in northeast China. The LAMOST survey strategy is constrained by these weather patterns. We present statistics on observing hours from 2004 to 2007, and the sky brightness, seeing, and sky transparency from 1995 to 2011 at the site. We investigate effects of the site conditions on the survey plan. Operable hours each month show a strong correlation with season: on average there are eight operable hours per night available in December, but only one–two hours in July and August. The seeing and the sky trans-parency also vary with season. Although the seeing is worse in windy winters, and the atmospheric extinction is worse in the spring and summer, the site is adequate for the proposed scientific program of the LAMOST survey. With a Monte Carlo simulation using historical data on the site condition, we find that the available observation hours constrain the survey footprint from 22 h to 16 h in right ascension; the sky brightness allows LAMOST to obtain a limiting magnitude of V = 19.5 mag with S/N= 10.
【Fund】: partially supported by the Chinese Academy of Sciences through grant GJHZ 200812;; the National Natural Science Foundation of China (Grant Nos. 11243003 10573022 10973015 and 11061120454);; the US National Science Foundation through grant AST-09-37523
【CateGory Index】: P129
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【References】
Chinese Journal Full-text Database 1 Hits
1 Xiang-Qun Cui2, Yong-Heng Zhao1, Yao-Quan Chu3, Guo-Ping Li2, Qi Li1, Li-Ping Zhang2, Hong-Jun Su1, Zheng-Qiu Yao2, Ya-Nan Wang2, Xiao-Zheng Xing3, Xin-Nan Li2, Yong-Tian Zhu2, Gang Wang1, Bo-Zhong Gu2, A-Li Luo1, Xin-Qi Xu2, Zhen-Chao Zhang2, Gen-Rong Liu2, Hao-Tong Zhang1, De-Hua Yang2, Shu-Yun Cao1, Hai-Yuan Chen2, Jian-Jun Chen1, Kun-Xin Chen2, Ying Chen1, Jia-Ru Chu3, Lei Feng1, Xue-Fei Gong2, Yong-Hui Hou2, Hong-Zhuan Hu3, Ning-Sheng Hu2, Zhong-Wen Hu2, Lei Jia1, Fang-Hua Jiang2, Xiang Jiang2, Zi-Bo Jiang2, Ge Jin3, Ai-Hua Li2, Yan Li4, Ye-Ping Li2, Guan-Qun Liu2, Zhi-Gang Liu3, Wen-Zhi Lu2, Yin-Dun Mao4, Li Men1, Yong-Jun Qi2, Zhao-Xiang Qi4, Huo-Ming Shi1, Zheng-Hong Tang4, Qing-Sheng Tao2, Da-Qi Wang1, Dan Wang1, Guo-Min Wang2, Hai Wang2, Jia-Ning Wang2, Jian Wang3, Jian-Ling Wang1, Jian-Ping Wang3, Lei Wang2, Shu-Qing Wang1, You Wang2, Yue-Fei Wang2, Ling-Zhe Xu2, Yan Xu1, Shi-Hai Yang2, Yong Yu4, Hui Yuan1, Xiang-Yan Yuan2, Chao Zhai3, Jing Zhang5, Yan-Xia Zhang1, Yong Zhang2, Ming Zhao4, Fang Zhou2, Guo-Hua Zhou2, Jie Zhu2 and Si-Cheng Zou1 1 National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China; 2 Nanjing Institute of Astronomical Optics and Technology, National Astronomical Observatories, Chinese Academy of Sciences, Nanjing 210042, China 3 University of Science and Technology of China, Hefei 230026, China 4 Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China 5 Institute of Architecture Design and Research, Chinese Academy of Sciences, Beijing 100190, China;The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST)[J];天文和天体物理学研究(英文版);2012-09
【Co-references】
Chinese Journal Full-text Database 1 Hits
1 Su Dingqiang; Cui Xiangqun (Nanjing Astronomical Instruments Research Center, The Chinese Academy of Sciences, Nanjing 210042);Active Optics-Key Technology of the New Generation Telescopes[J];PROGRESS IN ASTRONOMY;1999-01
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