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Related papers: Core Collapse Supernova Explosions in Active Galac…

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Active galactic nuclei (AGN) are prominent environments for stellar capture, growth and formation. These environments may catalyze stellar mergers and explosive transients, such as thermonuclear and core-collapse supernovae (SNe). SN…

High Energy Astrophysical Phenomena · Physics 2021-07-13 Evgeni Grishin , Alexey Bobrick , Ryosuke Hirai , Ilya Mandel , Hagai B. Perets

Some catastrophic stellar explosions, such as supernovae (SNe), compact binary coalescences, and micro-tidal disruption events, are believed to be embedded in the accretion disks of active galactic nuclei (AGN). We show high-energy…

High Energy Astrophysical Phenomena · Physics 2021-08-23 Jin-Ping Zhu , Kai Wang , Bing Zhang

Neutron star mergers are believed to occur in accretion disks around supermassive black holes. Here we show that a putative jet launched from the merger of a binary neutron star (BNS) or a neutron star--black hole (NSBH) merger occurring at…

High Energy Astrophysical Phenomena · Physics 2021-01-15 Jin-Ping Zhu , Bing Zhang , Yun-Wei Yu , He Gao

Active galactic nucleus (AGN) disk provide dense environments to influence on the star formation, evolution, and migration. In AGN disks, pressure gradients and migration accelerations could create the anisotropy of the core-collapse…

High Energy Astrophysical Phenomena · Physics 2025-07-15 Jiao-Zhen She , Tong Liu , Bao-Quan Huang , Yun-Feng Wei , Fu-Lin Li , Jin-Jun Geng , Xue-Feng Wu

Supernova (SN) shocks that originate from stars on orbits embedded in dense active galactic nuclei (AGN) accretion disks evolve differently from those that occur in the interstellar medium. We aim to assess how shocks evolve in this dense…

High Energy Astrophysical Phenomena · Physics 2026-04-01 Harrison E. Cook , Wladimir Lyra , Mordecai-Mark Mac Low , K. E. Saavik Ford , Barry McKernan

Supernova (SN) explosions can potentially affect the structure and evolution of circumnuclear disks in active galactic nuclei (AGN). Some previous studies have suggested that a relatively low rate of SN explosions can provide an effective…

High Energy Astrophysical Phenomena · Physics 2021-01-13 A. Moranchel-Basurto , F. J. Sánchez-salcedo , Raúl O. Chametla , P. F. Velázquez

Active Galactic Nuclei are powered by geometrically-thin accretion disks surrounding a central supermassive black hole. Here we explore the evolution of stars embedded in these extreme astrophysical environments (AGN stars). Because AGN…

Solar and Stellar Astrophysics · Physics 2021-04-07 Matteo Cantiello , Adam S. Jermyn , Douglas N. C. Lin

The disks of active galactic nuclei (AGNs) have emerged as a rich environment for the evolution of stars and their compact remnants. The very dense medium favors rapid accretion, while torques and migration traps enhance binary formation…

High Energy Astrophysical Phenomena · Physics 2021-07-07 Rosalba Perna , Hiromichi Tagawa , Zoltan Haiman , Imre Bartos

Self-gravitating accretion disks collapse to star-forming(SF) regions extending to the inner edge of the dusty torus in active galactic nuclei (AGNs). A full set of equations including feedback of star formation is given to describe the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 J. -M. Wang , C. -S. Yan , H. -Q. Gao , C. Hu , Y. -R. Li , S. Zhang

The disks of Active Galactic Nuclei (AGNs), traditionally studied as the feeders of the supermassive black holes (SMBHs) at their centers, have recently triggered a lot of interest also as hosts to massive stars and hence their neutron star…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Rosalba Perna , Davide Lazzati , Matteo Cantiello

The disks of Active Galactic Nuclei (AGNs) are expected to be populated by numerous stars, either formed in the outer regions of the disk via gravitational instability, or captured from the nearby nuclear star cluster. Regardless of their…

Astrophysics of Galaxies · Physics 2025-03-07 Gaia Fabj , Alexander J. Dittmann , Matteo Cantiello , Rosalba Perna , Johan Samsing

White dwarfs (WDs) embedded in gaseous disks of active galactic nucleus (AGNs) can rapidly accrete materials from the disks and grow in mass to reach or even exceed the Chandrasekhar limit. Binary WD (BWD) mergers are also believed to occur…

High Energy Astrophysical Phenomena · Physics 2021-06-14 Jin-Ping Zhu , Yuan-Pei Yang , Bing Zhang , Liang-Duan Liu , Yun-Wei Yu , He Gao

The optical-ultraviolet continuum from active galactic nuclei (AGN) seem to originate from optically thick and/or thin disks, and occasionally from associated circumnuclear starburst regions. These different possible origins can, in…

Astrophysics · Physics 2007-05-23 A. Yonehara , S. Mineshige , J. Fukue , M. Umemura , E. L. Turner

Active galactic nuclei (AGN) are powered by the accretion of disks of gas onto supermassive black holes (SMBHs). Stars and stellar remnants orbiting the SMBH in the nuclear star cluster (NSC) will interact with the AGN disk. Orbiters…

Astrophysics of Galaxies · Physics 2020-11-02 Gaia Fabj , Syeda S. Nasim , Freddy Caban , K. E. Saavik Ford , Barry McKernan , Jillian M. Bellovary

Disks of gas accreting onto supermassive black holes are thought to power active galactic nuclei (AGN). Stars may form in gravitationally unstable regions of these disks, or may be captured from nuclear star clusters. Because of the dense…

Astrophysics of Galaxies · Physics 2021-08-04 Alexander J. Dittmann , Matteo Cantiello , Adam S. Jermyn

We propose that superluminous transients that appear at central regions of active galactic nuclei (AGNs) such as CSS100217:102913+404220 (CSS100217) and PS16dtm, which reach near or super-Eddington luminosities of the central black holes,…

High Energy Astrophysical Phenomena · Physics 2017-12-08 Takashi J. Moriya , Masaomi Tanaka , Tomoki Morokuma , Ken Ohsuga

Active galactic nuclei (AGNs) often exhibit broad-line regions (BLRs), populated by high-velocity clouds in Keplerian orbits around the central supermassive black hole (SMBH) at subparsec scales. During episodes of intense super-Eddington…

High Energy Astrophysical Phenomena · Physics 2025-08-27 Gustavo E. Romero , Pablo Sotomayor

The observable characteristics of gamma-ray bursts (GRBs) embedded in the accretion disk of active galactic nuclei (AGNs) are mainly determined by the jet propagation within the disk. In the massive collapsar scenario, we consider that the…

High Energy Astrophysical Phenomena · Physics 2025-11-20 Yun-Feng Wei , Tong Liu , Bao-Quan Huang

There is substantial evidence for a connection between star formation in the nuclear region of a galaxy and growth of the central supermassive black hole. Furthermore, starburst activity in the region around an active galactic nucleus (AGN)…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Jonathan N. Armour , David R. Ballantyne

Since their discovery more than 60 years ago, accreting supermassive black holes in active galactic nuclei (AGN) were recognized as highly variable sources, requiring an extremely compact, dynamic environment. Their variability traces to…

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