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Related papers: AGN jet evolution simulation with GADGET4-OSAKA

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It is still a matter of intense debate how supermassive black holes (SMBH) grow, and the role played by feedback from active galactic nuclei (AGN) in the co-evolution of SMBHs and galaxies. To test the coevolution proposed by theoretical…

Astrophysics of Galaxies · Physics 2022-11-30 George Mountrichas , Francesco Shankar

We implement a black hole spin evolution and jet feedback model into SWIFT, a smoothed particle hydrodynamics code. The jet power is determined self-consistently assuming Bondi accretion, using a realistic, spin-dependant efficiency. The…

Astrophysics of Galaxies · Physics 2022-08-24 Filip Huško , Cedric G. Lacey , Joop Schaye , Matthieu Schaller , Folkert S. J. Nobels

We present initial results from extremely well-resolved 3D magnetohydrodynamical simulations of idealized galaxy clusters, conducted using the AthenaPK code on the Frontier exascale supercomputer. These simulations explore the…

Various radio galaxies show signs of having gone through episodic jet outbursts in the past. An example is the class of double-double radio galaxies (DDRGs). However, to follow the evolution of an individual source in real-time is…

Astrophysics of Galaxies · Physics 2015-06-17 Sander Walg , Abraham Achterberg , Sera Markoff , Rony Keppens , Oliver Porth

Jets from active galactic nuclei (AGN) in the cores of galaxy clusters have the potential to be a major contributor to the energy budget of the intracluster medium (ICM). To study the dependence of the interaction between the AGN jets and…

Astrophysics · Physics 2009-11-13 John C. Vernaleo , Christopher S. Reynolds

The interstellar medium of the radio galaxy IC 5063 is highly perturbed by an AGN jet expanding in the gaseous disc of the galaxy. We model this interaction with relativistic hydrodynamic simulations and multiphase initial conditions for…

High Energy Astrophysical Phenomena · Physics 2018-07-04 Dipanjan Mukherjee , Alex Y. Wagner , Geoffrey V. Bicknell , Raffaella Morganti , Tom Oosterloo , Nicole Nesvadba , Ralph S. Sutherland

Using a series of 3D relativistic hydrodynamical simulations of active galactic nuclei (AGN) we investigate how AGN power, a clumpy ISM structure, and AGN jet angle with respect to the galactic disk affect the morphology and content of the…

Astrophysics of Galaxies · Physics 2022-02-23 Ryan Tanner , Kimberly Weaver

Feedback by active galactic nuclei (AGNs) is essential for regulating the fast radiative cooling of low-entropy gas at the centers of galaxy clusters and for reducing star formation rates of central ellipticals. The details of…

High Energy Astrophysical Phenomena · Physics 2019-02-20 Kristian Ehlert , Christoph Pfrommer , Rainer Weinberger , Rüdiger Pakmor , Volker Springel

Compact relativistic jets in active galactic nuclei offer an effective tool for investigating the physics of nuclear regions in galaxies. The emission properties, dynamics, and evolution of jets in AGN are closely connected to the…

Astrophysics · Physics 2008-11-26 Andrei Lobanov

Galactic outflows, driven by active galactic nuclei (AGN), play a crucial role in galaxy formation and in the self-regulated growth of supermassive black holes (BHs). AGN feedback couples to and affects gas, rather than stars, and in many,…

Astrophysics of Galaxies · Physics 2018-04-10 Tilman Hartwig , Marta Volonteri , Gohar Dashyan

We examine the detailed physics of the feedback mechanism by relativistic AGN jets interacting with a two-phase fractal interstellar medium in the kpc-scale core of galaxies using 29 3D grid-based hydrodynamical simulations. The feedback…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 A. Y. Wagner , G. V. Bicknell , M. Umemura

To investigate feedback between relativistic jets emanating from Active Galactic Nuclei (AGN) and the stellar population of the host galaxy, we analyze the long-term evolution of the galaxy-scale simulations by Gaibler et al. (2012) of jets…

Astrophysics of Galaxies · Physics 2015-06-19 Zachary Dugan , Sarah Bryan , Volker Gaibler , Joseph Silk , Marcel Haas

In this paper we give a brief review of the astrophysics of active galactic nuclei (AGN). After a general introduction motivating the study of AGNs, we discuss our present understanding of the inner workings of the central engines, most…

Cosmology and Nongalactic Astrophysics · Physics 2013-01-18 Henric Krawczynski , Ezequiel Treister

Hot, underdense bubbles powered by active galactic nuclei (AGN) are likely to play a key role in halting catastrophic cooling in the centers of cool-core galaxy clusters. We present three-dimensional simulations that capture the evolution…

Astrophysics · Physics 2009-11-13 Evan Scannapieco , Marcus Brüggen

Active Galactic Nuclei (AGN) inject large amounts of energy into their host galaxies and surrounding environment, shaping their properties and evolution. In particular, AGN jets inflate cosmic-ray lobes, which can rise buoyantly as light…

There is a broad consensus that accretion onto supermassive black holes and consequent jet formation power the observed emission from active galactic nuclei (AGNs). However, there has been less agreement about how jets form in accretion…

High Energy Astrophysical Phenomena · Physics 2021-01-25 Shane W. Davis , Alexander Tchekhovskoy

The evolution of powerful extragalactic jets is not only interesting by itself, but also for its impact on the evolution of the host galaxy and its surroundings. We have performed long-term axisymmetric numerical simulations of relativistic…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Manel Perucho , José María Martí , Vicent Quilis , Elena Ricciardelli

The energy released by Active Galactic Nuclei (AGN) in the form of radiation, winds, or radio plasma jets, is known to impact on the surrounding interstellar medium. The result of these processes, known as AGN (negative) feedback, is…

Astrophysics of Galaxies · Physics 2017-12-15 Raffaella Morganti

Active galactic nuclei (AGN) feedback operated by the expansion of radio jets can play a crucial role in driving gaseous outflows on galaxy scales. Galaxies hosting young radio AGN, whose jets are in the first phases of expansion through…

Astrophysics of Galaxies · Physics 2021-01-04 F. Santoro , C. Tadhunter , D. Baron , R. Morganti , J. Holt

Feedback from active galactic nuclei (AGN) is believed to be the most promising solution to the cooling flow problem in cool-core clusters, though how exactly the jet energy is transformed into heat is a subject of debate. Dissipation of…

High Energy Astrophysical Phenomena · Physics 2022-03-30 Shiang-Chih Wang , H. -Y. Karen Yang
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