TianQin: a space-borne gravitational wave detector
Jun LuoSchool of Physics and Astronomy, Sun Yat-Sen University, 135 West Xingang Rd., Guangzhou 510275, People's Republic of ChinaLi-Sheng ChenState Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, 30 West Xiao Hong Shan, Wuhan 430071, People's Republic of ChinaHui-Zong DuanMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of ChinaYun-Gui GongMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of ChinaShoucun HuKey Laboratory of Planetary Sciences, Purple Mountain Observatory, Chinese Academy of Sciences, 2 West Beijing Rd., Nanjing 210008, People's Republic of ChinaJianghui JiKey Laboratory of Planetary Sciences, Purple Mountain Observatory, Chinese Academy of Sciences, 2 West Beijing Rd., Nanjing 210008, People's Republic of ChinaQi LiuMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of ChinaJianwei MeiMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of ChinaVadim MilyukovLomonosov Moscow State University, Sternberg Astronomical Institute, Moscow 119992, RussiaMikhail SazhinLomonosov Moscow State University, Sternberg Astronomical Institute, Moscow 119992, RussiaCheng-Gang ShaoMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of ChinaViktor T TothOttawa, Ontario, K1N 9H5, CanadaHai-Bo TuInstitute of Geodesy and Geophysics, Chinese Academy of Sciences, 340 XuDong Rd., Wuhan 430077, People's Republic of ChinaYamin WangMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of ChinaYan WangMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of ChinaHsien-Chi YehMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of ChinaMing-Sheng ZhanState Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, 30 West Xiao Hong Shan, Wuhan 430071, People's Republic of ChinaYonghe ZhangKey Laboratory of Planetary Sciences, Purple Mountain Observatory, Chinese Academy of Sciences, 2 West Beijing Rd., Nanjing 210008, People's Republic of ChinaVladimir ZharovLomonosov Moscow State University, Sternberg Astronomical Institute, Moscow 119992, RussiaZe-Bing ZhouMOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, People's Republic of China
2016en
ABI
Аннотация
TianQin is a proposal for a space-borne detector of gravitational waves in the millihertz frequencies. The experiment relies on a constellation of three drag-free spacecraft orbiting the Earth. Inter-spacecraft laser interferometry is used to monitor the distances between the test masses. The experiment is designed to be capable of detecting a signal with high confidence from a single source of gravitational waves within a few months of observing time. We describe the preliminary mission concept for TianQin, including the candidate source and experimental designs. We present estimates for the major constituents of the experiment's error budget and discuss the project's overall feasibility. Given the current level of technology readiness, we expect TianQin to be flown in the second half of the next decade.
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