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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

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 study the interaction of feedback from active galactic nuclei (AGN) and a multi-phase interstellar medium (ISM), in simulations including explicit stellar feedback, multi-phase cooling, accretion-disk winds, and Compton heating. We…

Astrophysics of Galaxies · Physics 2016-11-09 Philip F. Hopkins , Paul Torrey , Claude-Andre Faucher-Giguere , Eliot Quataert , Norman Murray

The observed massive end of the galaxy stellar mass function is steeper than its predicted dark matter halo counterpart in the standard $\Lambda $CDM paradigm. In this paper, we investigate the impact of active galactic nuclei (AGN)…

Active galactic nuclei (AGN) feedback plays a significant role in many aspects of galaxy formation and evolution and has become a key ingredient in cosmological simulations. However, the subgrid models of AGN feedback in cosmological…

Astrophysics of Galaxies · Physics 2026-04-29 Bocheng Zhu , Volker Springel , Feng Yuan

Feedback from active galactic nuclei (AGN) can strongly impact the host galaxies by driving high-velocity winds that impart substantial energy and momentum to the interstellar medium (ISM). In this work, we study the impact of these winds…

In a previous work, we have proposed a sub-grid model of active galactic nucleus (AGN) feedback by taking into account the state-of-the-art AGN physics, and used that model to study the effect of AGN feedback on the evolution of an isolated…

Astrophysics of Galaxies · Physics 2020-12-08 Zhiyuan Yao , Feng Yuan , Jeremiah P. Ostriker

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 present a hybrid active galactic nucleus (AGN) feedback model that features three accretion disc states (the thick, thin, and slim discs at low, moderate, and super-Eddington accretion rates, respectively), and two feedback modes:…

We present a new implementation for active galactic nucleus (AGN) feedback through small-scale, ultra-fast winds in the moving-mesh hydrodynamic code AREPO. The wind is injected by prescribing mass, momentum and energy fluxes across a…

Astrophysics of Galaxies · Physics 2020-08-19 Tiago Costa , Rüdiger Pakmor , Volker Springel

We study fast nuclear winds driven by Active Galactic Nucleus (AGN) feedback in merging galaxies using high-resolution hydrodynamics simulations. We use Stars and MUltiphase Gas in GaLaxiEs (SMUGGLE) to explicitly model the multiphase…

We present the first implementation of Active Galactic Nuclei (AGN) feedback in the form of momentum driven jets in an Adaptive Mesh Refinement (AMR) cosmological resimulation of a galaxy cluster. The jets are powered by gas accretion onto…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Yohan Dubois , Julien Devriendt , Adrianne Slyz , Romain Teyssier

We present 2D hydrodynamical simulations for the evolution of early-type galaxies containing central massive black holes (MBHs), starting at age 2 Gyr. The code contains accurate and physically consistent radiative and mechanical AGN wind…

Astrophysics of Galaxies · Physics 2017-01-25 L. Ciotti , S. Pellegrini , A. Negri , J. P. Ostriker

We use cosmological hydrodynamical simulations to investigate the role of feedback from accreting black holes on the evolution of sizes, compactness, stellar core density and specific star-formation of massive galaxies with stellar masses…

Astrophysics of Galaxies · Physics 2018-10-24 Ena Choi , Rachel S. Somerville , Jeremiah P. Ostriker , Thorsten Naab , Michaela Hirschmann

We develop a new sub-grid model for the growth of supermassive Black Holes (BHs) and their associated Active Galactic Nuclei (AGN) feedback in hydrodynamical cosmological simulations. Assuming that BHs are created in the early stages of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Yohan Dubois , Julien Devriendt , Adrianne Slyz , Romain Teyssier

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 employ cosmological hydrodynamical simulations to investigate the effects of AGN feedback on the formation of massive galaxies with present-day stellar masses of $M_{stel} = 8.8 \times 10^{10} - 6.0 \times 10^{11} M_{sun}$. Using…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 Ena Choi , Jeremiah P. Ostriker , Thorsten Naab , Ludwig Oser , Benjamin P. Moster

In order to understand the physical mechanisms at work during the formation of massive early-type galaxies, we performed six zoomed hydrodynamical cosmological simulations of halos in the mass range 4.3 10^12 < M_vir < 8.0 10^13 M_sun at…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Yohan Dubois , Raphaël Gavazzi , Sébastien Peirani , Joseph Silk

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

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
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