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Feedback from accreting supermassive black holes (SMBHs) is thought to be a primary driver of quenching in massive galaxies, but the best way to implement SMBH physics into galaxy formation simulations remains ambiguous. As part of the…

Since the 1990s, we have known that there is a super-massive black hole in every galaxy, and that its mass is proportional to the mass of the bulge. To better understand how these black holes were formed, in symbiosis with their galaxies,…

Astrophysics of Galaxies · Physics 2023-02-28 Francoise Combes

The correlations between Supermassive Black Holes (SMBHs) and their host galaxies still defy our understanding from both the observational and theoretical perspectives. Here we perform pairwise residual analysis on the latest sample of…

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

Supermassive black holes (BHs) obey tight scaling relations between their mass and their host galaxy properties such as total stellar mass, velocity dispersion, and potential well depth. This has led to the development of self-regulated…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Philip F. Hopkins , Norman Murray , Todd Thompson

We carry out a comparative analysis of the relation between the mass of supermassive black holes (BHs) and the stellar mass of their host galaxies at $0.2<z<1.7$ using well-matched observations and multiple state-of-the-art simulations…

The standard Halo Occupation Distribution (HOD) models were originally developed based on results from semi-analytic and hydrodynamical galaxy formation models. Those models have since progressed, in particular to include AGN feedback to…

Astrophysics of Galaxies · Physics 2017-05-08 Nuala McCullagh , Peder Norberg , Shaun Cole , Violeta Gonzalez-Perez , Carlton Baugh , John Helly

We investigate close encounters between initially unbound black holes (BHs) in the gaseous discs of active galactic nuclei (AGN), performing the first 3D non-isothermal hydrodynamical simulations of gas-assisted binary BH formation. We…

High Energy Astrophysical Phenomena · Physics 2025-08-28 Henry Whitehead , Connar Rowan , Bence Kocsis

We investigate a series of steady-state models of galaxy clusters, in which the hot intracluster gas is efficiently heated by active galactic nucleus (AGN) feedback and thermal conduction, and in which the mass accretion rates are highly…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Fulai Guo , S. Peng Oh , M. Ruszkowski

The large galactic scales are connected to the many orders of magnitude smaller supermassive black hole (SMBH) scales by an episodic cycle of feeding and feedback. Active galactic nuclei (AGN) are powered by accretion onto SMBH and the…

Astrophysics of Galaxies · Physics 2022-08-29 Matas Tartėnas , Kastytis Zubovas

We investigate the impact of AGN feedback on the gravitational lensing properties of a sample of galaxy clusters with masses in the range 10^14 - 10^15 Msol, using state-of-the-art simulations. Adopting a ray-tracing algorithm, we compute…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 J. M. G. Mead , L. J. King , D. Sijacki , A. Leonard , E. Puchwein , I. G. McCarthy

We review the progress in modelling the galaxy population in hydrodynamical simulations of the Lambda-CDM cosmogony. State-of-the-art simulations now broadly reproduce the observed spatial clustering of galaxies, the distributions of key…

Astrophysics of Galaxies · Physics 2023-10-02 Robert A. Crain , Freeke van de Voort

The Active Galactic Nuclei In Cosmological Simulations (AGNICS) project includes AGN into the GalICS hybrid (N-body + semi-analytic) model to explore the quasar-galaxy link in a cosmological perspective. The key problems are the quasar…

Astrophysics · Physics 2009-11-13 A. Cattaneo , J. Blaizot , J. Devriendt , B. Guiderdoni

We have recently improved our model of active galactic nucleus (AGN) by attaching the supermassive black hole (SMBH) to a massive nuclear star cluster (NSC). Here we study the effects of this new model in massive, gas-rich galaxies with…

Astrophysics of Galaxies · Physics 2018-01-25 Pawel Biernacki , Romain Teyssier

We use the EAGLE suite of hydrodynamical simulations to analyse accretion rates (and the breakdown of their constituent channels) onto haloes over cosmic time, comparing the behaviour of baryons and dark matter (DM). We also investigate the…

Astrophysics of Galaxies · Physics 2020-08-19 Ruby J. Wright , Claudia del P. Lagos , Chris Power , Peter D. Mitchell

The clustering of dark halos depends not only on their mass but also on their assembly history, a dependence we term `assembly bias'. Using a galaxy formation model grafted onto the Millennium Simulation of the LCDM cosmogony, we study how…

Astrophysics · Physics 2009-09-29 Darren J. Croton , Liang Gao , Simon D. M. White

We study the correlations between Supermassive Black Holes (BH) and their host galaxies, using a sample of 83 BH masses collected from the most recent and reliable spatially resolved estimates available from the literature. We confirm the…

Astrophysics of Galaxies · Physics 2019-09-25 Stefano de Nicola , Alessandro Marconi , Giuseppe Longo

Active galactic nuclei (AGN) are accreting supermassive black holes co-evolving with their host galaxies through a complex interplay of feeding and feedback. In this chapter, we first discuss AGN fuelling in galaxies, both in interacting…

Astrophysics of Galaxies · Physics 2023-08-02 Pedro R. Capelo , Chiara Feruglio , Ryan C. Hickox , Francesco Tombesi

We examine the properties of atomic hydrogen (HI) associated with galaxies in the EAGLE simulations of galaxy formation. EAGLE's feedback parameters were calibrated to reproduce the stellar mass function and galaxy sizes at $z=0.1$, and we…

We present the Rhapsody-C simulations that extend the Rhapsody-G suite of massive galaxy clusters at the $M_{\rm vir}\sim10^{15}\thinspace{\rm M}_{\odot}$ scale with cosmological magneto-hydrodynamic zoom-in simulations that include…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-31 Alisson Pellissier , Oliver Hahn , Chiara Ferrari