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Active galactic nuclei (AGN) are massive black holes (BHs) caught in the act of accreting gas at the centre of their host galaxies. Part of the accreting mass is converted to energy and released into the surrounding medium, in a process…

Astrophysics of Galaxies · Physics 2022-04-14 Luca Sala , Elia Cenci , Pedro R. Capelo , Alessandro Lupi , Massimo Dotti

We employ hydrodynamical simulations using the moving-mesh code AREPO to investigate the role of energy and momentum input from Active Galactic Nuclei (AGN) in driving large-scale galactic outflows. We start by reproducing analytic…

Astrophysics of Galaxies · Physics 2015-06-19 Tiago Costa , Debora Sijacki , Martin G. Haehnelt

Winds launched at the scale of the accretion disc or dusty torus in Active Galactic Nuclei (AGN) are thought to drive energy-conserving outflows that shape galaxy evolution. The key signature of such outflows, the presence of a hot ($T…

Astrophysics of Galaxies · Physics 2026-02-06 Ivan Almeida , Tiago Costa , Chris M. Harrison , Samuel R. Ward

Supermassive black holes at the centre of galaxies gain mass through accretion disks. Models predict that quasi-spherical winds, expelled by the black hole during active accretion phases, have a key role in shaping galaxy evolution by…

We present a new comprehensive model of the physics of galaxy formation designed for large-scale hydrodynamical simulations of structure formation using the moving mesh code AREPO. Our model includes primordial and metal line cooling with…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Mark Vogelsberger , Shy Genel , Debora Sijacki , Paul Torrey , Volker Springel , Lars Hernquist

We present a novel implementation for active galactic nucleus (AGN) feedback through ultra-fast winds in the code gizmo. Our feedback recipe accounts for the angular dependence of radiative feedback upon black hole spin. We…

Astrophysics of Galaxies · Physics 2024-10-16 Francesco Bollati , Alessandro Lupi , Massimo Dotti , Francesco Haardt

Supermassive black holes in galaxies spend majority of their lifetime in the low-luminosity regime, powered by hot accretion flow. Strong winds launched from the hot accretion flow have the potential to play an important role in active…

High Energy Astrophysical Phenomena · Physics 2024-03-04 Fangzheng Shi , Feng Yuan , Zhiyuan Li , Zhao Su , Suoqing Ji

Active Galactic Nucleus (AGN) feedback plays a critical role in galaxy formation and evolution. AGN-driven winds can significantly influence their host galaxies, although the details of their impact remain unclear. In this study, we…

Astrophysics of Galaxies · Physics 2026-03-16 Jinning Liang , Cedric G. Lacey , Filip Huško , Evgenii Chaikin , Sownak Bose

We present hydrodynamical simulations of major mergers of galaxies and study the effects of winds produced by active galactic nuclei (AGN) on interstellar gas in the AGN's host galaxy. We consider winds with initial velocities ~ 10,000 km/s…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Jackson DeBuhr , Eliot Quataert , Chung-Pei Ma

We explore the effect of momentum-driven winds representing radiation pressure driven outflows from accretion onto supermassive black holes in a set of numerical hydrodynamical simulations. We explore two matched sets of cosmological…

Astrophysics of Galaxies · Physics 2018-06-13 Ryan Brennan , Ena Choi , Rachel S. Somerville , Michaela Hirschmann , Thorsten Naab , Jeremiah P. Ostriker

Small-scale winds driven from accretion discs surrounding active galactic nuclei (AGN) are expected to launch kpc-scale outflows into their host galaxies. However, the ways in which the structure of the interstellar medium (ISM) affects the…

Astrophysics of Galaxies · Physics 2024-08-19 Samuel Ruthven Ward , Tiago Costa , Chris M. Harrison , Vincenzo Mainieri

The systematic analysis of optical large-scale surveys has revealed a population of dwarf galaxies hosting AGN, which have been confirmed by X-ray follow-up observations. Recently, the MaNGA survey identified six dwarf galaxies that appear…

Astrophysics of Galaxies · Physics 2019-01-09 Sophie Koudmani , Debora Sijacki , Martin A. Bourne , Matthew C. Smith

In this work, we use hydrodynamical simulations to explore the effects of kinetic AGN jet feedback on the progression and outcome of the major merger of two isolated, gas-rich galaxies. We present simulations that use the moving-mesh code…

Astrophysics of Galaxies · Physics 2024-02-19 Rosie Y. Talbot , Debora Sijacki , Martin A. Bourne

Active galactic nucleus (AGN) feedback is widely viewed as the most promising solution to the long-standing cooling flow problem in galaxy clusters, yet previous models prescribe jet properties inconsistent with accretion physics. We…

Astrophysics of Galaxies · Physics 2026-05-15 Aoyun He , Feng Yuan , Suoqing Ji , Minhang Guo , Yuan Li , Haiguang Xu , Ming Sun , Haojie Xia , Yuanyuan Zhao

Powerful winds driven by active galactic nuclei (AGN) are often invoked to play a fundamental role in the evolution of both supermassive black holes (SMBHs) and their host galaxies, quenching star formation and explaining the tight…

High Energy Astrophysical Phenomena · Physics 2016-05-25 Francesco Tombesi

The inefficiency of star formation in massive elliptical galaxies is widely believed to be caused by the interactions of an active galactic nucleus (AGN) with the surrounding gas. Achieving a sufficiently rapid reddening of moderately…

We assess the impact of starburst and AGN feedback-driven winds on the CO emission from galaxy mergers, and, in particular, search for signatures of these winds in the simulated CO morphologies and emission line profiles. We do so by…

Powerful winds driven by active galactic nuclei (AGN) are often invoked to play a fundamental role in the evolution of both supermassive black holes (SMBHs) and their host galaxies, quenching star formation and explaining the tight…

High Energy Astrophysical Phenomena · Physics 2015-03-26 F. Tombesi , M. Melendez , S. Veilleux , J. N. Reeves , E. Gonzalez-Alfonso , C. S. Reynolds

Feedback from accreting supermassive black holes, active galactic nuclei (AGN), is now a cornerstone of galaxy formation models. In this work, we present radiation-hydrodynamic simulations of radiative AGN feedback using the novel Arepo-RT.…

Astrophysics of Galaxies · Physics 2018-12-06 David J. Barnes , Rahul Kannan , Mark Vogelsberger , Federico Marinacci

We investigate the effects of AGN feedback on the cosmological evolution of an isolated elliptical galaxy by performing two-dimensional high-resolution hydrodynamical numerical simulations. The inner boundary of the simulation is chosen so…

High Energy Astrophysical Phenomena · Physics 2018-05-02 Feng Yuan , Doosoo Yoon , Ya-Ping Li , Zhao-Ming Gan , Luis C. Ho , Fulai Guo
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