Exploring the nature of black hole and gravity with an imminent merging binary of supermassive black holes

被引：13
作者：
Zhong, Xingyu [1 ,4 ]
Han, Wen-Biao [1 ,2 ,3 ,4 ,6 ]
Luo, Ziren [2 ,3 ,5 ,9 ]
Wu, Yueliang [2 ,3 ,7 ,8 ]
机构：
[1] Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
[2] Univ Chinese Acad Sci, Taiji Lab Gravitat Wave Universe Beijing Hangzhou, Beijing 100049, Peoples R China
[3] Univ Chinese Acad Sci, Hangzhou Inst Adv Study, Hangzhou 310124, Peoples R China
[4] Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
[5] Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
[6] Shanghai Frontiers Sci Ctr Gravitat Wave Detect, Shanghai 200240, Peoples R China
[7] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
[8] Univ Chinese Acad Sci, Int Ctr Theoret Phys Asia Pacific, Beijing 100190, Peoples R China
[9] Key Lab Gravitat Wave Precis Measurement Zhejiang, Hangzhou 310124, Peoples R China
来源：
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2023年 / 66卷 / 03期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
gravitation wave; SMBHBs; Taiji pathfinder; TESTING GENERAL-RELATIVITY; GRAVITATIONAL-WAVES; ALTERNATIVE THEORIES; COMPACT BINARIES; MERGER; MASS; SPACE;
D O I：
10.1007/s11433-022-2028-7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A supermassive binary black-hole candidate SDSS J1430+2303 reported recently motivates us to investigate an imminent binary of supermassive black holes as potential gravitational wave source, and the radiated gravitational waves at the end of the merger are shown to be in the band of space-borne detectors. We provide a general analysis on the required detecting sensitivity needed for probing such type gravitational wave sources and make a full discussion by considering two typically designed configurations of space-borne antennas. If a source is so close, it is possible to be detected with Taiji pathfinder-plus which is proposed to be an extension for the planned Taiji pathfinder by just adding an additional satellite to the initial two satellites. The gravitational wave detection on such kind of source enables us to explore the properties of supermassive black holes and the nature of gravity.
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页数：12
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