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arXiv 1805.08070gr-qc
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地面和空间引力波探测器之间的协同作用II:定位

Synergy between ground and space based gravitational wave detectors II: Localisation

Remya Nair, Takahiro Tanaka

摘要:

我们研究了结合未来地面和空间引力波探测器的测量值来估计黑洞双星合并的参数的优势。这是我们之前工作的扩展(PTEP 053 E01(2016)),我们使用模式平均波形来研究非旋转二进制文件。在这项工作中,我们研究的本地化和二进制的平面取向,包括(非旋进)自旋的二进制。我们重点介绍第三代地面探测器“爱因斯坦望远镜”和拟议的天基探测器“分赫兹干涉仪引力波观测台”。我们考虑两种可能的轨道DECIGO,日心轨道和太阳同步地心轨道。我们表明,可以获得数量级的改善,从空间-地面联合测量的本地化,即使与一个卫星导航仪-DECIGO任务(B-DECIGO)。这对未来的引力波天文学尤其重要,因为提高定位精度进一步提高了我们识别这些双星系统的宿主星系的机会。

英文摘要:

We study the advantage of combining measurements from future ground and space based gravitational wave detectors in estimating the parameters of a black-hole binary coalescence. This is an extension of our previous work (PTEP 053E01 (2016)) where we used pattern averaged waveform to study non-spinning binaries. In this work we study the localisation and binary plane orientation, including the (non-precessing) spin of binaries. We focus on the third generation terrestrial detector `Einstein telescope' and a proposed space based detector `Deci-Hertz Interferometer Gravitational wave Observatory' (DECIGO). We consider two possible orbits for DECIGO, a heliocentric orbit and a Sun-synchronous geocentric orbit. We demonstrate that one can obtain order of magnitude improvement in the localisation from the space-ground combined measurements, even with a precursor-DECIGO mission (B-DECIGO). This is especially important for the future of gravitational wave astronomy as improving the localisation accuracy further improves our chances of identifying the host galaxies of these binary systems.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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