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Related papers: Tracing the merger-driven evolution of active gala…

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Hierarchical models of galaxy formation predict that galaxy mergers represent a significant transitional stage of rapid supermassive black hole (SMBH) growth. Yet, the connection between the merging process and enhanced active galactic…

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

We present a model for merger-driven evolution of the mass function for massive galaxies and their central supermassive black holes at late times. We discuss the current observational evidence in favor of merger-driven massive galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-22 Sean T. McWilliams , Jeremiah P. Ostriker , Frans Pretorius

Galaxy mergers represent the most transformative and dramatic avenue for galaxy and supermassive black hole (SMBH) evolution. Multi-active galactic nuclei (multi-AGNs) are expected to ignite, grow, and evolve alongside the host galaxies,…

Astrophysics of Galaxies · Physics 2024-11-21 Ryan W. Pfeifle , Kimberly A. Weaver , Nathan J. Secrest , Barry Rothberg , David R. Patton

The LIGO-Virgo-KAGRA (LVK) collaboration has detected over 150 confirmed gravitational wave events through O4a. Binary black hole (BBH) systems represent the overwhelming majority of these observations. We construct a model for the…

High Energy Astrophysical Phenomena · Physics 2025-11-20 Tyler B. Smith , Manoj Kaplinghat

Gravitational waves from merging binary black holes can be used to shed light on poorly understood aspects of massive binary stellar evolution, such as the evolution of massive stars (including their mass-loss rates), the common envelope…

High Energy Astrophysical Phenomena · Physics 2022-10-26 Simon Stevenson , Teagan Clarke

As a natural consequence of galaxy mergers, binary active galactic nuclei (AGNs) should be commonplace. Nevertheless, observational confirmations are rare, especially for binaries with separations less than ten kpc. Such a system may show…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Hai Fu , Adam D. Myers , S. G. Djorgovski , Lin Yan

The detection of gravitational-wave events revealed that there are numerous populations of black hole (BH) binaries that can merge within the age of the Universe. Although several formation channels of such binaries are known, considerable…

Cosmology and Nongalactic Astrophysics · Physics 2023-01-18 So Okano , Teruaki Suyama

Representing simultaneous black hole accretion during a merger, binary active galactic nuclei (AGNs) could provide valuable observational constraints to models of galaxy mergers and AGN triggering. High-resolution radio interferometer…

Astrophysics of Galaxies · Physics 2015-12-09 Hai Fu , J. M. Wrobel , A. D. Myers , S. G. Djorgovski , Lin Yan

After the nearly hundred gravitational-wave detections reported by the LIGO-Virgo-KAGRA Collaboration, the question of the cosmological origin of merging binary black holes (BBHs) remains open. The two main formation channels generally…

Astrophysics of Galaxies · Physics 2025-03-07 Tristan Bruel , Carl L. Rodriguez , Astrid Lamberts , Michael Y. Grudic , Zachary Hafen , Robert Feldmann

The improvements in the sensitivity of the gravitational wave (GW) network enable the detection of several large redshift GW sources by third-generation GW detectors. These advancements provide an independent method to probe the large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-02 Xiaoyun Shao , Zhoujian Cao , Xilong Fan , Shichao Wu

Galaxy mergers provide a mechanism for galaxies to effectively funnel gas and materials toward their nuclei and fuel the central starbursts and accretion of supermassive black holes. In turn, the active nuclei drive galactic-scale outflows…

Astrophysics of Galaxies · Physics 2022-07-28 Vivian U

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

Binary black hole (BBH) systems residing in the centers of galaxies evolve within complex astrophysical environments. These environments, comprising dark matter (DM) halos and baryonic accretion disks, can significantly alter the orbital…

High Energy Astrophysical Phenomena · Physics 2026-03-31 Meng Xu , Zhijin Li , Xiao Guo , Yun-Long Zhang

I review the major surveys of high redshift galaxies observed using integral field spectroscopy techniques in the visible and in the infrared. The comparison of various samples has to be done with care since they have different properties…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Benoît Epinat

Galaxy major mergers are a potential mechanism for triggering active galactic nuclei (AGN) activity, but their role remains debated, particularly beyond the local Universe. We aim to shed light on the merger-AGN connection at $z=0.5$-$2$,…

Astrophysics of Galaxies · Physics 2026-04-29 A. La Marca , B. Margalef-Bentabol , L. Wang , S. C. Trager , V. Rodriguez-Gomez , G. Martin

Despite the observation of nearly 100 compact binary coalescence (CBC) events up to the end of the Advanced gravitational-wave (GW) detectors' third observing run (O3), there remain fundamental open questions regarding their astrophysical…

General Relativity and Quantum Cosmology · Physics 2025-01-22 Ana Lorenzo-Medina , Thomas Dent

Collisions and interactions between gas-rich galaxies are thought to be pivotal stages in their formation and evolution, causing the rapid production of new stars, and possibly serving as a mechanism for fueling supermassive black holes…

The recent discovery of GW150914, the binary black hole merger detected by Advanced LIGO, has the potential to revolutionize observational astrophysics. But to fully utilize this new window into the universe, we must compare these new…

High Energy Astrophysical Phenomena · Physics 2016-04-20 Carl L. Rodriguez , Sourav Chatterjee , Frederic A. Rasio

Galaxy mergers have long been proposed as a mechanism for funneling gas toward galactic centres, potentially triggering accretion onto supermassive black holes (SMBHs) and igniting active galactic nuclei (AGN). While simulations often…