Parameter estimation of stellar mass binary black holes in the network of TianQin and LISA

被引：5
|
作者：
Lyu, Xiangyu [1 ,2 ]
Li, En-Kun [1 ,2 ]
Hu, Yi-Ming [1 ,2 ]
机构：
[1] Sun Yat Sen Univ Zhuhai Campus, TianQin Res Ctr Gravitat Phys, MOE Key Lab TianQin Mission, Zhuhai 519082, Peoples R China
[2] Sun Yat Sen Univ Zhuhai Campus, Frontiers Sci Ctr TianQin Gravitat Wave Res Ctr C, Sch Phys & Astron, Zhuhai 519082, Peoples R China
来源：
PHYSICAL REVIEW D | 2023年 / 108卷 / 08期
关键词：
GRAVITATIONAL-WAVE OBSERVATIONS; PULSATIONAL PAIR INSTABILITY; COMPACT BINARIES; MERGER; SPACE; EVOLUTION; STARS; LIGO; EMISSION; PHYSICS;
D O I：
10.1103/PhysRevD.108.083023
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a Bayesian parameter estimation progress to infer the stellar mass binary black hole properties by TianQin, LISA, and TianQin + LISA. Two typical stellar mass black hole binary systems, GW150914 and GW190521 are chosen as the fiducial sources. In this work, we establish the ability of TianQin to infer the parameters of those systems and first apply the full frequency response in TianQin's data analysis. We obtain the parameter estimation results and explain the correlation between them. We also find the TianQin + LISA could marginally increase the parameter estimation precision and narrow the 1 sigma area compared with TianQin and LISA individual observations. We finally demonstrate the importance of considering the effect of spin when the binaries have a nonzero component spin and great deviation will appear especially on mass, coalescence time, and sky location.
引用
收藏
页数：16
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