From KARST to FAST: The Conceptual Origin of FAST and Its Decision-making Process |
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| Affiliation: | 1. National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;1. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China;2. Key Laboratory of Planetary Sciences, Chinese Academy of Sciences, Nanjing 210023, China;3. CAS Center for Excellence in Comparative Planetology, Hefei 230026, China;1. Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650216, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China;4. Institute of Space Sciences, Shandong University, Weihai 264209, China;5. Center for Astronomical Mega-Science, Chinese Academy of Sciences, Beijing 100012, China;1. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, 200030, China;2. University of Chinese Academy of Sciences, Beijing, 100049, China;3. DFH Satellite Co, Ltd, Beijing, 100094, China;1. Key Laboratory of Planetary Sciences, Purple Mountain Observatory, Chinese Academy of Science, Nanjing 210023 China;2. School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026 China;3. Center for Excellence in Comparative Planetology, Chinese Academy of Science, Hefei 230026 China;1. National Astronomical Observatories / Nanjing Institute of Astronomical Optics Technology, Chinese Academy of Sciences, Nanjing 210042 China;2. CAS Key Laboratory of Astronomical Optics Technology, Nanjing Institute of Astronomical Optics Technology, Nanjing 210042 China;3. University of Chinese Academy of Sciences, Beijing 100049 China |
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| Abstract: | In the era of big science, the construction of large science projects is becoming more complex. Designers have to comprehensively consider factors such as instrument performance, technical reserves, funding, risks, and the environment to make a reasonable decision. On the basis of domestic and international astronomy, this paper sorts out the process of the formation of the Five-hundred-meter Aperture Spherical radio Telescope (FAST) concept and the decisions made by the FAST team, including the Chinese concept of the large telescope, the proposal of the prototype, and the adoption of the active reflector, etc. We also discuss the process of decision-making. FAST was born in the process of interaction and integration between Chinese and international astronomy development, and realized the transformation from following up to taking the lead. It can provide a reference for constructing future large science projects with limited foundations in terms of technology and funding. |
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