Excitation of high frequency voices from intermediate-mass-ratio inspirals with large eccentricity

被引：17

作者：

Han, Wen-Biao ^{[1
,2
]}

Cao, Zhoujian ^{[3
]}

Hu, Yi-Ming ^{[4
]}

机构：

[1] Shanghai Astron Observ, Shanghai 200030, Peoples R China

[2] Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China

[3] Beijing Normal Univ, Beijing 100875, Peoples R China

[4] Sun Yat Sen Univ, TianQin Res Ctr Gravitat Phys, Zhuhai 519082, Guangdong, Peoples R China

来源：

CLASSICAL AND QUANTUM GRAVITY | 2017年 / 34卷 / 22期

关键词：

intermediate massive black holes; LIGO; gravitational waves; ROTATING BLACK-HOLE; EVALUATE HOMOGENEOUS SOLUTIONS; GRAVITATIONAL-WAVES; NUMERICAL-METHODS; PERTURBATIONS; PARTICLE; ORBITS;

D O I：

10.1088/1361-6382/aa891b

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The coalescence of a stellar-mass compact object together with an intermediate-mass black hole, also known as an intermediate-mass-ratio inspiral, is usually not expected to be a viable gravitational wave source for the current ground-based gravitational wave detectors, due to the generally lower frequency of such a source. In this paper, we adopt the effective-one-body formalism as the equation of motion, and obtain the accurately calculated gravitational waveforms by solving the Teukolsky equation using the frequency-domain method. We point out that high frequency modes of gravitational waves can be excited by large eccentricities of intermediate-mass-ratio inspirals. These high frequency modes can extend to more than 10 Hz, and enter the designed sensitive band of Advanced LIGO and Advanced Virgo. We propose that such kinds of highly eccentric intermediate-mass-ratio inspirals could be feasible sources and potentially observable by the ground-based gravitational wave detectors, like the Advanced LIGO and Advanced Virgo.

引用

页数：11

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