首页|Near real-time gravitational wave data analysis of the massive black hole binary with TianQin

Near real-time gravitational wave data analysis of the massive black hole binary with TianQin

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Space-borne gravitational wave(GW)detectors can detect the merger of massive black holes.The early warning and localiza-tion of GW events before merging can be used to inform electromagnetic telescopes and conduct multimessenger observations.However,this requires real-time data transmission and analysis capabilities.The geocentric orbit of the space-borne GW detector TianQin makes it possible to conduct real-time data transmission.In this study,we develop a search and localization pipeline for massive black hole binaries(MBHBs)with TianQin under both regular and real-time data transmission modes.We demonstrate that,with real-time data transmission,MBHBs can be accurately localized on the fly.With the approaching merger,each analysis can be finished in only 40 min.For an MBHB system at a distance of 1 Gpc,if we receive data every hour,then we can pinpoint its location to within less than 1 deg2 on the final day before the merger.

gravitational wave detectors and experimentsblack holesdata analysisalgorithms and implementationdata manage-ment

Hong-Yu Chen、Xiang-Yu Lyu、En-Kun Li、Yi-Ming Hu

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MOE Key Laboratory of TianQin Mission,TianQin Research Center for Gravitational Physics & School of Physics and Astronomy,Frontiers Science Center for TianQin,Gravitational Wave Research Center of CNSA,Sun Yat-sen University(Zhuhai Campus),Zhuhai 519082,China

Guangdong Major Project of Basic and Applied Basic ResearchNational Natural Science Foundation of ChinaNational Natural Science Foundation of China

2019B0303020011217310412261131504

2024

10.1007/s11433-023-2377-7

中国科学:物理学 力学 天文学(英文版)
中国科学院

中国科学:物理学 力学 天文学(英文版)

CSTPCD
影响因子：0.91
ISSN：1674-7348
年,卷(期)：2024.67(7)