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Science objectives of the Einstein Probe mission

文献类型：期刊论文

作者Yuan, Weimin18,19; Dai, Lixin17; Feng, Hua16; Jin, Chichuan18,19; Jonker, Peter14,15; Kuulkers, Erik13; Liu, Yuan19; Nandra, Kirpal12; O'Brien, Paul11; Piro, Luigi10
刊名SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
出版日期2025-03-01
卷号68期号:3页码:239501
关键词Einstein Probe X-ray astronomy X-ray telescopes time-domain astronomy transients variability
ISSN号1674-7348
DOI10.1007/s11433-024-2600-3
产权排序20
英文摘要The Einstein Probe (EP) is an interdisciplinary mission of time-domain and X-ray astronomy. Equipped with a wide-field lobster-eye X-ray focusing imager, EP will discover cosmic X-ray transients and monitor the X-ray variability of known sources in 0.5-4 keV, at a combination of detecting sensitivity and cadence that is not accessible to the previous and current wide-field monitoring missions. EP can perform quick characterisation of transients or outbursts with a Wolter-I X-ray telescope onboard. In this paper, the science objectives of the EP mission are presented. EP is expected to enlarge the sample of previously known or predicted but rare types of transients with a wide range of timescales. Among them, fast extragalactic transients will be surveyed systematically in soft X-rays, which include gamma-ray bursts and their variants, supernova shock breakouts, and the predicted X-ray transients associated with binary neutron star mergers. EP will detect X-ray tidal disruption events and outbursts from active galactic nuclei, possibly at an early phase of the flares for some. EP will monitor the variability and outbursts of X-rays from white dwarfs, neutron stars and black holes in our and neighbouring galaxies at flux levels fainter than those detectable by the current instruments, and is expected to discover new objects. A large sample of stellar X-ray flares will also be detected and characterised. In the era of multi-messenger astronomy, EP has the potential of detecting the possible X-ray counterparts of gravitational wave events, neutrino sources, and ultra-high energy gamma-ray and cosmic ray sources. EP is expected to help advance the studies of extreme objects and phenomena revealed in the dynamic X-ray universe, and their underlying physical processes. Besides EP's strength in time-domain science, its follow-up telescope, with excellent performance, will also enable advances in many areas of X-ray astronomy.
WOS关键词GAMMA-RAY BURSTS ; TIDAL DISRUPTION EVENTS ; QUASI-PERIODIC ERUPTIONS ; ACTIVE GALACTIC NUCLEI ; SUPERMASSIVE BLACK-HOLE ; BLUE OPTICAL TRANSIENT ; CORONAL MASS EJECTION ; CHANGING-LOOK AGN ; EQUATORIAL-DEPTH SURVEY ; HIGH-ENERGY NEUTRINO
资助项目Strategic Priority Program on Space Science of Chinese Academy of Sciences ; Strategic Priority Program on Space Science of Chinese Academy of Sciences ; Strategic Priority Program on Space Science of Chinese Academy of Sciences ; ESA ; ESA ; ESA ; MPE ; MPE ; MPE ; CNES[XDA15310000] ; CNES[XDA15052100] ; CNES ; CNES ; National Natural Science Foundation of China[61234003] ; National Natural Science Foundation of China[61434004] ; National Natural Science Foundation of China[61504141] ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Interdisciplinary Project[KJZD-EW-L11-04] ; CAS Interdisciplinary Project ; CAS Interdisciplinary Project
WOS研究方向Physics
语种英语
WOS记录号WOS:001407830200001
出版者SCIENCE PRESS
资助机构Strategic Priority Program on Space Science of Chinese Academy of Sciences ; Strategic Priority Program on Space Science of Chinese Academy of Sciences ; Strategic Priority Program on Space Science of Chinese Academy of Sciences ; ESA ; ESA ; ESA ; MPE ; MPE ; MPE ; CNES ; CNES ; CNES ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Interdisciplinary Project ; CAS Interdisciplinary Project ; CAS Interdisciplinary Project
源URL[http://ir.xao.ac.cn/handle/45760611-7/7422]  
专题光学天文与技术应用研究室_变星研究团组
光学天文与技术应用研究室_星团与星系研究团组
通讯作者Yuan, Weimin
作者单位1.Yunnan Univ, Sch Phys & Astron, Kunming 650500, Peoples R China
2.Wuhan Univ, Sch Phys & Technol, Dept Astron, Wuhan 430072, Peoples R China
3.Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA
4.Univ Nevada, Nevada Ctr Astrophys, Las Vegas, NV 89154 USA
5.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Peoples R China
6.Chinese Acad Sci, Purple Mt Observ, Nanjing 210023, Peoples R China
7.Xiamen Univ, Dept Astron, Xiamen 361005, Peoples R China
8.Inst Estudis Espacials Catalunya IEEC, E-08034 Barcelona, Spain
9.CSIC, Inst Space Sci ICE, Campus UAB, E-08193 Barcelona, Spain
10.INAF Ist Astrofis & Planetol Spaziali, I-00133 Rome, Italy
推荐引用方式
GB/T 7714		 Yuan, Weimin,Dai, Lixin,Feng, Hua,et al. Science objectives of the Einstein Probe mission[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2025,68(3):239501.
APA Yuan, Weimin.,Dai, Lixin.,Feng, Hua.,Jin, Chichuan.,Jonker, Peter.,...&Zou, Zecheng.(2025).Science objectives of the Einstein Probe mission.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,68(3),239501.
MLA Yuan, Weimin,et al."Science objectives of the Einstein Probe mission".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 68.3(2025):239501.

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来源：新疆天文台

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