The TianQin project: Current progress on science and technology
Jianwei MeiTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaYanzheng BaiCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaJiahui BaoTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaEnrico BarausseSISSA, Via Bonomea 265, 34136 Trieste, Italy and INFN Sezione di Trieste & IFPU – Institute for Fundamental Physics of the Universe, Via Beirut 2, 34014 Trieste, ItalyLin CaiCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaEnrico CanutoFormer Faculty, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Torino, ItalyBin CaoTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaWeiming ChenTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaYu ChenTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaYanwei DingTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaHui‐Zong DuanTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaHui-Min FanCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaWen-Fan FengCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaHonglin FuYunnan Observatories, Chinese Academy of Sciences, Kunming 650011, ChinaQing GaoSchool of Physical Science and Technology, Southwest University, Chongqing 400715, ChinaTianQuan GaoTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaYungui GongCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaXingyu GouChao-Zheng GuTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaDefeng GuTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaZi-Qi HeTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaM. HendrySUPA, School of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, UKWei HongCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaXin-Chun HuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaYi-Ming HuDFH Satellite Co., Ltd., Beijing 100094, P.R. ChinaYuexin HuDFH Satellite Co., Ltd., Beijing 100094, P.R. ChinaS. HuangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaXiangqing HuangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaQinghua JiangYuan‐Ze JiangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaY. JiangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaZhen JiangNational Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, ChinaHongming JinCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaValeriya KorolSchool of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, United KingdomHongyin LiCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaMing LiDFH Satellite Co., Ltd., Beijing 100094, P.R. ChinaMing LiDFH Satellite Co., Ltd., Beijing 100094, P.R. ChinaPeng-Cheng LiCenter for High Energy Physics & Department of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, No. 5 Yiheyuan Rd, Beijing 100871, P.R. ChinaRongwang LiYunnan Observatories, Chinese Academy of Sciences, Kunming 650011, ChinaYuqiang LiYunnan Observatories, Chinese Academy of Sciences, Kunming 650011, ChinaZhu LiCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaZhulian LiCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaZhuxi LiCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaYurong LiangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaZheng-Cheng LiangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaFang-Jie LiaoTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaQi LiuTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaShuai LiuTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaYan-Chong LiuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaLi LiuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaPeibo LiuTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaXuhui LiuYuan LiuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaXiong-Fei LuTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaYang LuTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaZ. H. LuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaYan LuoTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaZhicai LuoCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaV. K. MilyukovLomonosov Moscow State University, Sternberg Astronomical Institute, Moscow 119992, RussiaMin MingCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaXiaoyu PiYunnan Observatories, Chinese Academy of Sciences, Kunming 650011, ChinaCheng-Gang QinCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaShaobo QuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaAlberto SesanaDipartimento di Fisica “G. Occhialini”, Universitá degli Studi Milano Bicocca, Piazza della Scienza 3, I-20126 Milano, ItalyCheng-Gang ShaoCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaChangfu ShiTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaWei SuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaDing-Yin TanCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaYu-Jie TanCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaZhuangbin TanTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaLiangcheng TuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaBin WangSchool of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, ChinaChengrui WangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaFengbin WangGuanfang WangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaHai-Tian WangPurple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023 & School of Astronomy and Space Science, University of Science and Technology of China, Hefei, Anhui 230026, P.R. ChinaJian WangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaLijiao WangPanpan WangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaXudong WangYan WangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaYifan WangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaRan WeiBeijing Institute of Spacecraft System Engineering, Beijing 100094, P.R. ChinaShuchao WuCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaChunyu XiaoCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaXiao-Shi XuTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaChao XueTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaFangchao YangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaLiang YangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaMing-Lin YangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaShan-Qing YangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaBobing YeTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaHsien‐Chi YehTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaShenghua YuSchool of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, ChinaDongsheng ZhaiYunnan Observatories, Chinese Academy of Sciences, Kunming 650011, ChinaCaishi ZhangTianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Sun Yat-sen University (Zhuhai Campus), Zhuhai 519082, P.R. ChinaHaitao ZhangYunnan Observatories, Chinese Academy of Sciences, Kunming 650011, ChinaJian-dong ZhangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaJie ZhangCentre for Gravitational Experiments, School of Physics, MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF, Huazhong University of Science and Technology, Wuhan 430074, P.R. ChinaLihua Zhang
2020en
ABI
Annotatsiya
Abstract TianQin is a planned space-based gravitational wave (GW) observatory consisting of three Earth-orbiting satellites with an orbital radius of about $10^5 \, {\rm km}$. The satellites will form an equilateral triangle constellation the plane of which is nearly perpendicular to the ecliptic plane. TianQin aims to detect GWs between $10^{-4} \, {\rm Hz}$ and $1 \, {\rm Hz}$ that can be generated by a wide variety of important astrophysical and cosmological sources, including the inspiral of Galactic ultra-compact binaries, the inspiral of stellar-mass black hole binaries, extreme mass ratio inspirals, the merger of massive black hole binaries, and possibly the energetic processes in the very early universe and exotic sources such as cosmic strings. In order to start science operations around 2035, a roadmap called the 0123 plan is being used to bring the key technologies of TianQin to maturity, supported by the construction of a series of research facilities on the ground. Two major projects of the 0123 plan are being carried out. In this process, the team has created a new-generation $17 \, {\rm cm}$ single-body hollow corner-cube retro-reflector which was launched with the QueQiao satellite on 21 May 2018; a new laser-ranging station equipped with a $1.2 \, {\rm m}$ telescope has been constructed and the station has successfully ranged to all five retro-reflectors on the Moon; and the TianQin-1 experimental satellite was launched on 20 December 2019—the first-round result shows that the satellite has exceeded all of its mission requirements.
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