English
Related papers

Related papers: Simulating AGN wind feedback with variable feedbac…

200 papers

We consider the impact of anisotropic radiation on the active galactic nucleus (AGN) radiative dusty feedback. The radiation pattern originating from the accretion disc is determined by the central black hole (BH) spin. Here we analyse how…

Astrophysics of Galaxies · Physics 2020-06-03 W. Ishibashi

Accurate modeling of active galactic nucleus (AGN) feedback, especially due to relativistic jets, is crucial for understanding the cool-core problem in galaxy clusters. We present a new subgrid method to model accretion onto and feedback…

High Energy Astrophysical Phenomena · Physics 2025-02-24 Ying-He Celeste Lü , Paul M. Ricker

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

We show that feedback from active galactic nuclei (AGN) plays an essential role in reproducing the down-sizing phenomena, namely: the colour-magnitude relation; specific star formation rates; and the $\alpha$ enhancement of early type…

Astrophysics of Galaxies · Physics 2015-06-23 Philip Taylor , Chiaki Kobayashi

This is the second paper of our series of works of studying the effects of active galactic nuclei (AGN) feedback on the cosmological evolution of an isolated elliptical galaxy by performing two-dimensional high-resolution hydrodynamical…

High Energy Astrophysical Phenomena · Physics 2018-09-05 Doosoo Yoon , Feng Yuan , Zhao-Ming Gan , Jeremiah P. Ostriker , Ya-Ping Li , Luca Ciotti

The interplay between radiative cooling of the circumgalactic medium (CGM) and feedback heating governs the evolution of the universe's most massive galaxies. This paper presents simulations of feedback processes in massive galaxies showing…

The intrinsic correlations of galaxy shapes and orientations across the large-scale structure of the Universe are a known contaminant to weak gravitational lensing. They are known to be dependent on galaxy properties, such as their mass and…

Recent observations of giant ellipticals and brightest cluster galaxies (BCGs) provide tentative evidence for a correlation between the luminosity of the H$\alpha$ emitting gas filaments and the strength of feedback associated with the…

Astrophysics of Galaxies · Physics 2019-03-21 Yu Qiu , Tamara Bogdanovic , Yuan Li , Michael McDonald

Active Galactic Nuclei (AGN) represent the growth phases of the supermassive black holes in the center of almost every galaxy. Powerful, highly ionized winds, with velocities $\sim 0.1- 0.2c$ are a common feature in X--ray spectra of…

Astrophysics of Galaxies · Physics 2015-09-23 Andrew King , Ken Pounds

(Abridged) We measure and analyze the energy, momentum, and mass feedback efficiencies due to radiation from AGN in relatively large scale outflows. Our measurements are based on the axisymmetric and time-dependent radiation-hydrodynamical…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 Ryuichi Kurosawa , Daniel Proga , Kentaro Nagamine

Modelling AGN feedback in numerical simulations is both technically and theoretically challenging, with numerous approaches having been published in the literature. We present a study of five distinct approaches to modelling AGN feedback…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 James Wurster , Robert J. Thacker

Understanding how galaxies maintain the inefficiency of star formation with physically self-consistent models is a central problem for galaxy evolution. Although numerous theoretical models have been proposed in recent decades, the debate…

High Energy Astrophysical Phenomena · Physics 2018-10-24 Ya-Ping Li , Feng Yuan , Houjun Mo , Doosoo Yoon , Zhao-Ming Gan , Luis C. Ho , Bo Wang , Jeremiah P. Ostriker , Luca Ciotti

Active galactic nucleus (AGN) feedback from accreting supermassive black holes (SMBHs) is an essential ingredient of galaxy formation simulations. The orbital evolution of SMBHs is affected by dynamical friction that cannot be predicted…

Active galactic nucleus (AGN) feedback is a key ingredient in galaxy evolution, yet its impact on the cold atomic gas reservoir -- the neutral hydrogen (HI) phase -- remains poorly constrained. We present the most extensive spatially…

We discuss the role of feedback from AGNs on the formation of spheroidal galaxies. The energy released by an accreting Black Hole (BH) may be injected into the ISM through blast waves arising directly from the central engine, radiation…

Astrophysics · Physics 2007-05-23 P. Monaco

We study the long-term evolution of an idealized cool-core galaxy cluster under the influence of momentum-driven AGN feedback using three-dimensional high-resolution (60 pc) adaptive mesh refinement (AMR) simulations. The momentum-driven…

Astrophysics of Galaxies · Physics 2015-06-18 Yuan Li , Greg L. Bryan

We study the imprints of AGN feedback and physical viscosity on the properties of galaxy clusters using hydrodynamical simulation models carried out with the TreeSPH code GADGET-2. Besides self-gravity of dark matter and baryons, our…

Astrophysics · Physics 2015-06-24 Debora Sijacki , Volker Springel

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

Feedback from accreting SMBHs is often identified as the main mechanism responsible for regulating star-formation in AGN host galaxies. However, the relationships between AGN activity, radiation, winds, and star-formation are complex and…

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
‹ Prev 1 3 4 5 6 7 10 Next ›