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Data processing and data products from 2017 to 2019 campaign of astronomical site testing at Ali, Daocheng and Muztagh-ata

2020; IOP Publishing; Volume: 20; Issue: 6 Linguagem: Inglês

10.1088/1674-4527/20/6/82

2397-6209

Zihuang Cao, Jinxin Hao, Feng Lu, H. R. A. Jones, Jian Li, Jing Xu, Liyong Liu, Tengfei Song, Jianfeng Wang, Hualin Chen, Yan‐Jie Xue, Huang Shen, Yongheng Zhao, Zhaoxiang Qi, Jianrong Shi, Yuan Tian, Zheng Wang, Xia Wang, Jin-Liang Hou, Jinming Bai, Ji Yang, Xu Zhou, Yongqiang Yao, Jia Yin, Ali Esamdin, Guang-Xin Pu, Peng Wei, Chunhai Bai, Guojie Feng, Lu Ma, Xuan Zhang, Yu Liu, Chong Pei, Zhi-Xia Shen, Yun-Ying Jiang, Jian-Feng Tian, Xian-Qun Zeng, Zhi-Gang Hou, Xu Yang, Junbo Zhang, S. Liao, Dongwei Fan, Yunfei Xu, Jian-Ping Xiong, Tai-Sheng Yan, Xi Zhang, Changhua Li, Yihan Tao, Sicheng Yu, Zhi-Song Cao, Hongshuai Wang,

Astronomical Observations and Instrumentation

Abstract Based on previous site testing and satellite cloud data, Ali, Daocheng and Muztagh-ata have been selected as candidate sites for the Large Optical/Infrared Telescope (LOT) in China. We present the data collection, processing, management and quality analysis for our site testing based on using similar hardware. We analyze meteorological data, seeing, background light, cloud and precipitable water vapor data from 2017 March 10 to 2019 March 10. We also investigated the relative usefulness of our all-sky camera data in comparison to that from the meteorological TERRA satellite data based on a night-by-night comparison of the correlation and consistency between them.We find a 6% discrepancy arising from a wide range of factors.