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Related papers: Radiation-Driven Outflows in Active Galactic Nucle…

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We summarize the results from numerical simulations of mass outflows from AGN. We focus on simulations of outflows driven by radiation from large-scale inflows. We discuss the properties of these outflows in the context of the so-called AGN…

Astrophysics of Galaxies · Physics 2015-05-18 Daniel Proga , Ryuichi Kurosawa , Kentaro Nagamine

We present a brief summary of the main results from our multi-dimensional, time-dependent simulations of gas dynamics in AGN. We focus on two types of outflows powered by radiation emitted from the AGN: disk winds and winds driven from…

Astrophysics of Galaxies · Physics 2010-02-26 Daniel Proga , Ryuichi Kurosawa

Analysis of spectral absorption features has led to the identification of several distinct outflow components in AGNs. The outflowing gas is evidently photoionized by the nuclear continuum source and originates in the accretion flow toward…

Astrophysics · Physics 2007-05-23 Arieh Konigl

The actual mechanism(s) powering galactic outflows in active galactic nuclei (AGN) is still a matter of debate. At least two physical models have been considered in the literature: wind shocks and radiation pressure on dust. Here we provide…

Astrophysics of Galaxies · Physics 2021-02-10 W. Ishibashi , A. C. Fabian , N. Arakawa

Galaxy-scale outflows, which are thought to provide the link connecting the central black hole to its host galaxy, are now starting to be observed. However, the physical origin of the mechanism driving the observed outflows, whether due to…

Astrophysics of Galaxies · Physics 2015-08-06 W. Ishibashi , A. C. Fabian

Cool outflows are now commonly observed in galaxies, but their physical origin and driving mechanism remain unclear. Active galactic nucleus (AGN) feedback can potentially accelerate cool galactic outflows via cosmic rays (CR) and radiation…

High Energy Astrophysical Phenomena · Physics 2022-12-21 W. Ishibashi , A. C. Fabian

We study outflows driven by Active Galactic Nuclei (AGNs) using high- resolution simulations of idealized z=2 isolated disk galaxies. Episodic accretion events lead to outflows with velocities >1000 km/s and mass outflow rates up to the…

Astrophysics of Galaxies · Physics 2015-06-18 Jared M. Gabor , Frédéric Bournaud

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

The increasing observational evidence of galactic outflows is considered as a sign of active galactic nucleus (AGN) feedback in action. However, the physical mechanism responsible for driving the observed outflows remains unclear, and…

Astrophysics of Galaxies · Physics 2018-02-14 W. Ishibashi , A. C. Fabian , R. Maiolino

Different mechanisms can drive outflows in active galactic nuclei (AGN), but it is often unclear which mechanism dominates, if any. To quantify the impact of AGN feedback on galaxy evolution, the driving mechanism of outflows must be better…

Astrophysics of Galaxies · Physics 2018-03-01 Dominika Wylezalek , Raffaella Morganti

Galactic outflows are now commonly observed in starburst and active galactic nuclei (AGN) host galaxies. Yet, there is no clear consensus on their physical driving mechanism(s). We have previously shown that AGN radiative feedback, driven…

Astrophysics of Galaxies · Physics 2018-10-17 W. Ishibashi , A. C. Fabian

Large-scale outflows driven by AGNs are an important element of galaxy evolution. Detailed analysis of their properties allows us to probe the activity history of the galactic nucleus and, potentially, other properties of the host galaxy. A…

Astrophysics of Galaxies · Physics 2025-10-17 Kastytis Zubovas , Matas Tartėnas

The energy emitted by active galactic nuclei (AGN) may provide a self-regulating process (AGN feedback) that shapes the evolution of galaxies. This is believed to operate along two modes: on galactic scales by clearing the interstellar…

Outflows driven by active galactic nuclei (AGNs) are often invoked as agents of the long-sought AGN feedback. Yet, characterizing and quantifying the impact on their host galaxies has been challenging. We present Gemini Multi-Object…

Astrophysics of Galaxies · Physics 2016-03-23 Marios Karouzos , Jong-Hak Woo , Hyun-Jin Bae

Outflows have been shown to be prevalent in galaxies hosting luminous active galactic nuclei (AGNs) and present a physically plausible way to couple the AGN energy output with the interstellar medium of their hosts. Despite their…

Astrophysics of Galaxies · Physics 2016-12-21 Marios Karouzos , Jong-Hak Woo , Hyun-Jin Bae

We perform two-dimensional hydrodynamical simulations of slowly rotating accretion flows in the region of $ 0.01-7\, \mathrm{pc} $ around a supermassive black holes with $ M_\mathrm{BH} = 10^{8} M_{\odot} $. The accretion flow is irradiated…

High Energy Astrophysical Phenomena · Physics 2019-10-23 Amin Mosallanezhad , Feng Yuan , Jeremiah P. Ostriker , Fatemeh Zahra Zeraatgari , De-Fu Bu

Active galactic nucleus (AGN)-driven gas outflows are one of the best tracers of AGN feedback in action, as these powerful outflows expel/heat or compress the surrounding interstellar medium (ISM), thus quenching or enhancing star-forming…

Astrophysics of Galaxies · Physics 2026-02-10 Ruisong Xia , Chen Qin , Huynh Anh N. Le , Yongquan Xue , Shifu Zhu , Mengqiu Huang , Hao Liu , Xiaozhi Lin

Feedback from active galactic nuclei (AGN) is widely acknowledged to regulate the growth of massive galaxies, though its driving mechanisms are debated. Prevailing theories suggest that AGN-driven outflows are driven either by radiation…

We perform simulations to study the effects of active galactic nuclei (AGNs) radiation and wind feedback on the properties of slowly rotating accretion flow at parsec scale. We find that when only radiative feedback is considered, outflows…

High Energy Astrophysical Phenomena · Physics 2019-09-11 De-Fu Bu , Xiao-Hong Yang

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
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