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Related papers: X-MRIs: Extremely Large Mass-Ratio Inspirals

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Extreme mass ratio inspirals (EMRIs) are among the most interesting gravitational wave (GW) sources for space-borne GW detectors. However, successful GW data analysis remains challenging due to many issues, ranging from the difficulty of…

High Energy Astrophysical Phenomena · Physics 2022-07-13 Xue-Ting Zhang , Chris Messenger , Natalia Korsakova , Man Leong Chan , Yi-Ming Hu , Jing-dong Zhang

When a compact object on a highly eccentric orbit about a much more massive body passes through periapsis it emits a short gravitational wave signal known as an extreme-mass-ratio burst (EMRB). We consider stellar mass objects orbiting the…

High Energy Astrophysical Phenomena · Physics 2013-10-15 C. P. L. Berry , J. R. Gair

One of the most interesting sources of gravitational waves (GWs) for LISA is the inspiral of compact objects on to a massive black hole (MBH), commonly referred to as an "extreme-mass ratio inspiral" (EMRI). The small object, typically a…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Pau Amaro-Seoane , Miguel Preto

Extreme Mass Ratio Inspirals (EMRIs) are key sources for the future space-based gravitational wave detector LISA, and are considered promising probes of fundamental physics. Here, we present the first complete Bayesian analysis of EMRI…

We analyze a rotating regular black hole spacetime with an asymptotically Minkowski core, focusing on extreme mass-ratio inspiral (EMRIs) where a stellar-mass object inspirals a supermassive black hole under consideration. Such spacetimes…

General Relativity and Quantum Cosmology · Physics 2025-10-01 Shailesh Kumar , Tieguang Zi

Extreme-mass-ratio inspirals (EMRIs) are important targets for future space-borne gravitational-wave (GW) detectors, such as the Laser Interferometer Sapce Antenna (LISA). Recent works suggest that EMRI may reside in a population of newly…

High Energy Astrophysical Phenomena · Physics 2022-05-18 Xian Chen , Yu Qiu , Shuo Li , F. K. Liu

A binary extreme-mass-ratio inspiral (b-EMRI) is a hierarchical triple system consisting of a stellar-mass binary black hole (BBH) orbiting a central Kerr supermassive black hole (SMBH). Although predicted by several astrophysical models,…

General Relativity and Quantum Cosmology · Physics 2025-05-06 Yucheng Yin , Josh Mathews , Alvin J. K. Chua , Xian Chen

Current simulations of the rate at which stellar-mass compact objects merge with supermassive black holes (called extreme mass ratio inspirals, or EMRIs) focus on two-body capture by emission of gravitational radiation. The gravitational…

Astrophysics · Physics 2016-08-30 M. Coleman Miller , Marc Freitag , Douglas P. Hamilton , Vanessa M. Lauburg

Stellar mass compact objects in short period orbits about a $10^{4.5}$--$10^{7.5}$ solar mass massive black hole (MBH) are thought to be a significant continuous-wave source of gravitational radiation for the ESA/NASA Laser Interferometer…

Astrophysics · Physics 2010-12-13 Louis J. Rubbo , Kelly Holley-Bockelmann , Lee Samuel Finn

One of the most exciting prospects for the LISA gravitational wave observatory is the detection of gravitational radiation from the inspiral of a compact object into a supermassive black hole. The large inspiral parameter space and low…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Jonathan R Gair , Leor Barack , Teviet Creighton , Curt Cutler , Shane L Larson , E Sterl Phinney , Michele Vallisneri

One of the primary sources for the future space-based gravitational wave detector, the Laser Interferometer Space Antenna, are the inspirals of small compact objects into massive black holes in the centres of galaxies. The gravitational…

General Relativity and Quantum Cosmology · Physics 2021-06-16 Lorenzo Speri , Jonathan R. Gair

One of the primary objectives for space-borne gravitational wave detectors is the detection of extreme-mass-ratio inspirals (EMRIs). This undertaking poses a substantial challenge because of the complex and long EMRI signals, further…

General Relativity and Quantum Cosmology · Physics 2023-09-14 Qianyun Yun , Wen-Biao Han , Yi-Yang Guo , He Wang , Minghui Du

For a successful detection of gravitational waves by LISA, it is essential to construct theoretical waveforms in a reliable manner. We discuss gravitational waves from an extreme mass ratio binary system which is expected to be a promising…

General Relativity and Quantum Cosmology · Physics 2010-11-26 Yasushi Mino

The non-linear gravitational wave (GW) memory effect is a distinct prediction in general relativity. While the effect has been well studied for comparable mass binaries, it has mostly been overlooked for intermediate mass ratio inspirals…

General Relativity and Quantum Cosmology · Physics 2023-07-26 Tousif Islam , Scott E. Field , Gaurav Khanna , Niels Warburton

The capture of a stellar-mass compact object by a supermassive black hole and the subsequent inspiral (driven by gravitational radiation emission) constitute one of the most important sources of gravitational waves for space-based…

General Relativity and Quantum Cosmology · Physics 2012-10-02 Carlos F. Sopuerta

We extend the work of Ryan on mapping the spacetime of the central object of an extreme mass-ratio inspiral (EMRI) by using gravitational waves (GWs) emitted by the system, which may be observed in future missions such as LISA. Whether the…

General Relativity and Quantum Cosmology · Physics 2021-02-12 Sayak Datta , Sukanta Bose

Gravitational waves from inspiraling sub-solar mass compact objects would provide almost definitive evidence for the existence of primordial black holes. In this chapter, we explain why these exotic objects are interesting candidates for…

General Relativity and Quantum Cosmology · Physics 2025-05-05 Andrew L. Miller

Extreme-mass-ratio inspirals (EMRIs), consisting of a massive black hole and a stellar compact object, are one of the most important sources for space-borne gravitational wave detectors like TianQin. Their population study can be used to…

High Energy Astrophysical Phenomena · Physics 2025-05-08 Hui-Min Fan , Xiang-Yu Lyu , Jian-dong Zhang , Yi-Ming Hu , Rong-Jia Yang , Tai-Fu Feng

Extreme-mass-ratio inspirals (EMRIs) are important sources for space-borne gravitational-wave (GW) detectors. Such a source normally consists of a stellar-mass black hole (BH) and a Kerr supermassive BH (SMBH), but recent astrophysical…

High Energy Astrophysical Phenomena · Physics 2022-12-14 Xian Chen , Zhongfu Zhang

We examine a loop quantum gravity (LQG) inspired rotating black hole, treating it as a central supermassive black hole (SMBH) in an extreme mass-ratio inspiral (EMRI) system, where an inspiralling object exhibits eccentric motion around the…

General Relativity and Quantum Cosmology · Physics 2025-05-20 Tieguang Zi , Shailesh Kumar
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