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Related papers: Binary black hole mergers in AGN accretion discs: …

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Binary black hole (BBH) mergers are the primary sources of gravitational wave (GW) events detected by LIGO/Virgo. Binary black holes embedded in the accretion discs of active galactic nuclei (AGN) are possible candidates for such GW events.…

Astrophysics of Galaxies · Physics 2020-07-22 W. Ishibashi , M. Gröbner

Binary black hole (BBH) evolution in the discs of active galactic nuclei (AGN) is a promising channel for gravitational wave (GW)-driven mergers. It is however unclear whether binaries interacting with the surrounding disc undergo orbital…

High Energy Astrophysical Phenomena · Physics 2024-12-04 W. Ishibashi , M. Gröbner

It has been suggested that merging black hole (BH) binaries in active galactic nucleus (AGN) discs formed through two-body scatterings via the gas-capture process may explain a significant fraction of BH mergers in AGN and a non-negligible…

High Energy Astrophysical Phenomena · Physics 2025-12-10 Connar Rowan , Henry Whitehead , Bence Kocsis

LIGO/Virgo has detected several binary black hole (BBH) merger events that may have originated in the accretion disks of Active Galactic Nuclei (AGN). These events require individual black hole masses that fall within the pair instability…

High Energy Astrophysical Phenomena · Physics 2022-12-07 Adam M. Dempsey , Hui Li , Bhupendra Mishra , Shengtai Li

Stellar-mass binary black holes (BBHs) embedded in active galactic nucleus (AGN) discs are possible progenitors of black-hole mergers detected in gravitational waves by LIGO/VIRGO. To better understand the hydrodynamical evolution of BBHs…

High Energy Astrophysical Phenomena · Physics 2022-09-21 Rixin Li , Dong Lai

Motivated by the increasing number of detections of merging black holes by LIGO-VIRGO-KAGRA, black hole (BH) binary mergers in the discs of active galactic nuclei (AGN) is investigated as a possible merger channel. In this pathway, BH…

Astrophysics of Galaxies · Physics 2023-07-12 Connar Rowan , Tjarda Boekholt , Bence Kocsis , Zoltán Haiman

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 astrophysical origin of gravitational wave (GW) transients is a timely open question in the wake of discoveries by LIGO/Virgo. In active galactic nuclei (AGNs), binaries form and evolve efficiently by interaction with a dense population…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Hiromichi Tagawa , Bence Kocsis , Zoltan Haiman , Imre Bartos , Kazuyuki Omukai , Johan Samsing

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

The Active Galactic Nuclei (AGN) channel for the formation of binary black hole (BBH) mergers has been previously studied as a potential formation channel for the merging compact binaries observed by the LIGO/Virgo/KAGRA (LVK) scientific…

There is much debate about the channels for astrophysical origins of the stellar-mass binary black hole (BBH) mergers detected by LIGO and Virgo. Active galactic nuclei (AGNs) are promising sites for the efficient formation and rapid…

High Energy Astrophysical Phenomena · Physics 2025-04-30 Guo-Peng Li

The dense and dynamic environments within active galactic nuclei (AGN) accretion disks may serve as prolific birthplaces for binary black holes (BBHs) and one possible origin for some of the BBHs detected by gravitational-wave (GW)…

High Energy Astrophysical Phenomena · Physics 2025-10-31 Samson H. W. Leong , Justin Janquart , Aditya Kumar Sharma , Paul Martens , Parameswaran Ajith , Otto A. Hannuksela

Advanced LIGO \& Advanced Virgo are detecting a large number of binary stellar origin black hole (BH) mergers. A promising channel for accelerated BH merger lies in active galactic nucleus (AGN) disks of gas around super-masssive black…

High Energy Astrophysical Phenomena · Physics 2020-10-07 B. McKernan , K. E. S. Ford , R. O'Shaughnessy

The stellar mass binary black hole (sBBH) mergers presently detected by LIGO may originate wholly or in part from binary black hole mergers embedded in disks of gas around supermassive black holes. Determining the contribution of these…

Stellar-mass binary black hole (BBH) mergers occurring within the disks of active galactic nuclei (AGN) are promising sources for gravitational waves detectable by the LIGO, Virgo, and KAGRA (LVK) interferometers. Some of these events have…

Stellar-mass binary black holes (BBHs) embedded in active galactic nucleus (AGN) discs offer a distinct dynamical channel to produce black hole mergers detected in gravitational waves by LIGO/Virgo. To understand their orbital evolution…

High Energy Astrophysical Phenomena · Physics 2024-01-15 Rixin Li , Dong Lai

Galactic nuclei are promising sites for stellar origin black hole (BH) mergers, as part of merger hierarchies in deep potential wells. We show that binary black hole (BBH) merger rates in active galactic nuclei (AGN) should always exceed…

High Energy Astrophysical Phenomena · Physics 2022-12-07 K. E. Saavik Ford , Barry McKernan

Despite the increasing number of Gravitational Wave (GW) detections, the astrophysical origin of Binary Black Hole (BBH) mergers remains elusive. A promising formation channel for BBHs is inside accretion discs around supermassive black…

High Energy Astrophysical Phenomena · Physics 2023-10-25 Niccolò Veronesi , Elena Maria Rossi , Sjoert van Velzen

The high rate of black hole (BH) mergers detected by LIGO/Virgo opened questions on their astrophysical origin. One possibility is the dynamical channel, in which binary formation and hardening is catalyzed by dynamical encounters in…

Astrophysics of Galaxies · Physics 2018-10-24 Giacomo Fragione , Bence Kocsis

The astrophysical origin of gravitational wave (GW) events is one of the most timely problems in the wake of the LIGO/Virgo discoveries. In active galactic nuclei (AGN), binaries form and evolve efficiently by dynamical interactions and…

High Energy Astrophysical Phenomena · Physics 2020-08-19 Hiromichi Tagawa , Zoltan Haiman , Imre Bartos , Bence Kocsis
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