The LISA-Taiji Network: Precision Localization of Coalescing Massive Black Hole Binaries.
The LISA-Taiji Network: Precision Localization of Coalescing Massive Black Hole Binaries.
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DOI:
10.34133/2021/6014164
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Cai RG
中科院分区:
文献类型:
--
作者:
Ruan WH;Liu C;Guo ZK;Wu YL;Cai RG
We explore a potential LISA-Taiji network to fast and accurately localize the coalescing massive black hole binaries. For an equal-mass binary located at redshift of 1 with a total intrinsic mass of 105M⊙, the LISA-Taiji network may achieve almost four orders of magnitude improvement on the source localization region compared to an individual detector. The precision measurement of sky location from the gravitational-wave signal may completely identify the host galaxy with low redshifts prior to the final black hole merger. Such identification of the host galaxy is vital for the follow-up variability in electromagnetic emissions of the circumbinary disc when the binary merges to a new black hole and enables the coalescing massive black hole binaries to be used as a standard siren to probe the expansion history of the Universe.
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