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Related papers: Eccentric Black Hole Mergers in Active Galactic Nu…

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We study the dynamical evolution of the stellar mass binary black holes (BBHs) in a galactic nucleus that contains a massive black hole (MBH). For a comprehensive study of their merging events, we consider simultaneously the non-resonant…

Astrophysics of Galaxies · Physics 2020-08-17 Fupeng Zhang , Lijing Shao , Weishan Zhu

Active galactic nuclei (AGN) are powered by accretion disks onto supermassive black holes in the the centers of galaxies. AGN are believed to play important roles in the evolution of both supermassive black holes and their host galaxies…

High Energy Astrophysical Phenomena · Physics 2025-06-11 K. E. Saavik Ford , Barry McKernan

Binary black holes embedded within the accretion disks that fuel active galactic nuclei (AGN) are promising progenitors for the source of gravitational wave events detected by LIGO/VIRGO. Several recent studies have shown that when these…

High Energy Astrophysical Phenomena · Physics 2023-12-19 Josh Calcino , Adam M. Dempsey , Alexander J. Dittmann , Hui Li

Eccentric mergers are a signature of the dynamical formation channel of binary black holes (BBHs) in dense stellar environments and hierarchical triple systems. Here, we investigate the formation of eccentric mergers via binary-single…

High Energy Astrophysical Phenomena · Physics 2024-03-20 Marco Dall'Amico , Michela Mapelli , Stefano Torniamenti , Manuel Arca Sedda

The origin of black hole mergers discovered by the LIGO and Virgo gravitational-wave observatories is currently unknown. GW190521 is the heaviest black hole merger detected so far. Its observed high mass and possible spin-induced orbital…

High Energy Astrophysical Phenomena · Physics 2022-01-28 V. Gayathri , J. Healy , J. Lange , B. O'Brien , M. Szczepanczyk , I. Bartos , M. Campanelli , S. Klimenko , C. Lousto , R. O'Shaughnessy

A population of binary stellar-mass black hole (BBH) mergers are believed to occur embedded in the accretion disk of active galactic nuclei (AGNs). In this {\em Letter}, we demonstrate that the jets from these BBH mergers can propagate…

High Energy Astrophysical Phenomena · Physics 2023-11-21 Jin-Ping Zhu

The growing number of stellar-mass binary black hole mergers discovered by Advanced LIGO and Advanced Virgo are starting to constrain the binaries' origin and environment. However, we still lack sufficiently accurate modeling of binary…

High Energy Astrophysical Phenomena · Physics 2019-05-15 Y. Yang , I. Bartos , Z. Haiman , B. Kocsis , Z. Marka , N. C. Stone , S. Marka

The accretion disks that power active galactic nuclei (AGN) are thought to house populations of stars and compact objects; after forming binaries these compact objects may merge, begetting gravitational waves such as those detected by LIGO…

High Energy Astrophysical Phenomena · Physics 2025-05-12 Alexander J. Dittmann , Adam M. Dempsey , Hui Li

With the hundreds of merging binary black hole (BH) signals expected to be detected by LIGO/Virgo, LISA and other instruments in the next few years, the modeling of astrophysical channels that lead to the formation of compact-object…

Astrophysics of Galaxies · Physics 2019-05-15 Giacomo Fragione , Bence Kocsis

In paper I of this series we showed that a large percentage of the binary black hole (BBH) mergers that form through dynamical interactions in globular clusters will have significant eccentricity in the ~10^{-3}-10^{-1} Hz LISA band. In…

High Energy Astrophysical Phenomena · Physics 2018-10-19 Daniel J. D'Orazio , Johan Samsing

The accretion disks that fuel active galactic nuclei (AGN) may house numerous stars and compact objects, formed in situ or captured from nearby star clusters. Embedded neutron stars and black holes may form binaries and eventually merge,…

High Energy Astrophysical Phenomena · Physics 2023-10-31 Alexander J. Dittmann , Adam M. Dempsey , Hui Li

Black hole mergers detectable with LIGO can occur in active galactic nucleus (AGN) disks. Here we parameterize the merger rates, the mass spectrum and the spin spectrum of black holes (BH) in AGN disks. The predicted merger rate spans $\sim…

High Energy Astrophysical Phenomena · Physics 2018-10-23 B. McKernan , K. E. S. Ford , J. Bellovary , N. W. C. Leigh , Z. Haiman , B. Kocsis , W. Lyra , M. -M. MacLow , B. Metzger , M. O'Dowd , S. Endlich , D. J. Rosen

The third observing run of the LIGO/Virgo/KARGA collaboration reported a few neutron star - black hole (NSBH) merger events. While NSBH mergers have yet to receive extensive theoretical attention, they may have a promising electromagnetic…

High Energy Astrophysical Phenomena · Physics 2022-09-21 Erez Michaely , Smadar Naoz

The origin of stellar-mass black hole mergers discovered through gravitational waves is being widely debated. Mergers in the disks of active galactic nuclei (AGN) represent a promising source of origin, with possible observational clues in…

High Energy Astrophysical Phenomena · Physics 2023-06-14 Hiromichi Tagawa , Shigeo S. Kimura , Zoltán Haiman , Rosalba Perna , Imre Bartos

Binary black holes (BBHs) in the vicinity of Active Galactic Nuclei (AGNs) are particularly interesting systems from both a cosmological and astrophysical point of view. Matter and radiation fields within the dense AGN environment could…

High Energy Astrophysical Phenomena · Physics 2025-10-27 Leonardo Ricca , Matthias Vereecken , Christoph Raab , Mathieu Lamoureux , Giacomo Bruno , Gwenhaël De Wasseige

Binary black holes (BBHs) are one of the endpoints of isolated binary evolution, and their mergers a leading channel for gravitational wave events. Here, using the evolutionary code \textsc{StarTrack}, we study the statistical properties of…

High Energy Astrophysical Phenomena · Physics 2018-04-19 Rosalba Perna , Martyna Chruslinska , Alessandra Corsi , Krzysztof Belczynski

The astrophysical origin of gravitational wave (GW) events discovered by LIGO/VIRGO remains an outstanding puzzle. In active galactic nuclei (AGN), compact-object binaries form, evolve, and interact with a dense star cluster and a gas disk.…

Astrophysics of Galaxies · Physics 2020-07-29 Hiromichi Tagawa , Zoltan Haiman , Bence Kocsis

The search for multi-messenger signals of binary black hole (BBH) mergers is crucial to understanding the merger process of BBH and the relative astrophysical environment. Considering BBH mergers occurring in the active galactic nuclei…

High Energy Astrophysical Phenomena · Physics 2023-11-07 Zi-Hang Zhou , Kai Wang

We present the first systematic study of strong binary-single and binary-binary black hole interactions with the inclusion of general relativity. When including general relativistic effects in strong encounters, dissipation of orbital…

High Energy Astrophysical Phenomena · Physics 2019-02-18 Michael Zevin , Johan Samsing , Carl Rodriguez , Carl-Johan Haster , Enrico Ramirez-Ruiz

The recent advanced LIGO/Virgo detections of gravitational waves (GWs) from stellar binary black hole (BBH) mergers, in particular GW190521, which is potentially associated with a quasar, have stimulated renewed interest in active galactic…

High Energy Astrophysical Phenomena · Physics 2021-08-11 Jian-Min Wang , Jun-Rong Liu , Luis C. Ho , Yan-Rong Li , Pu Du