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We study the interplay between turbulent heating, mixing, and radiative cooling in an idealized model of cool cluster cores. Active galactic nuclei (AGN) jets are expected to drive turbulence and heat cluster cores. Cooling of the…

Astrophysics of Galaxies · Physics 2015-06-19 Nilanjan Banerjee , Prateek Sharma

We study the internal circulation within the cocoon carved out by the relativistic jet emanating from an AGN within the ISM of its host galaxy. Firstly, we develop a model for the origin of the internal flow, noticing that a significant…

Cosmology and Nongalactic Astrophysics · Physics 2010-02-25 V. Antonuccio-Delogu , J. Silk

We investigate the effect of embedded active galactic nuclei (AGN) in galaxy mergers on the CO molecular line emission by combining non-local thermodynamic equilibrium (LTE) radiative transfer calculations with hydrodynamic simulations. We…

We present radiation-hydrodynamic simulations of radiatively-driven gas shells launched by bright active galactic nuclei (AGN) in isolated dark matter haloes. Our goals are (1) to investigate the ability of AGN radiation pressure on dust to…

Astrophysics of Galaxies · Physics 2018-05-25 Tiago Costa , Joakim Rosdahl , Debora Sijacki , Martin Haehnelt

Dense and cold clouds seem to populate the broad line region surrounding the central black hole in AGNs. These clouds could interact with the AGN jet base and this could have observational consequences. We want to study the gamma-ray…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Anabella T. Araudo , Valenti Bosch-Ramon , Gustavo E. Romero

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

Radio activity in AGN (Active Galactic Nuclei) produce feedback on the host galaxy via the impact of the relativistic jets on the circumnuclear gas. Although radio jets can reach up to several times the optical radius of the host galaxy, in…

Astrophysics of Galaxies · Physics 2023-03-22 Guilherme S. Couto , Thaisa Storchi-Bergmann

Ionization cones and relativistic jets give us one of the most large-scale example of active galactic nuclei (AGN) influence on the surrounding gas environment in galaxies and beyond. The study of ionization cones makes it possible not only…

Astrophysics of Galaxies · Physics 2023-12-05 Alexei V. Moiseev , Aleksandrina A. Smirnova

The formation mechanism of the jet-aligned CO clouds found by NANTEN CO observations is studied by magnetohydrodynamical (MHD) simulations taking into account the cooling of the interstellar medium. Motivated by the association of the CO…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Y. Asahina , T. Ogawa , T. Kawashima , N. Furukawa , R. Enokiya , H. Yamamoto , Y. Fukui , R. Matsumoto

We present three dimensional simulations of the interaction of a light hypersonic jet with an inhomogeneous thermal and turbulently supported disk in an elliptical galaxy, including Radio and multi-band X-ray visualisations. These…

Astrophysics · Physics 2009-06-23 R. S. Sutherland , G. V. Bicknell

Active Galactic Nuclei (AGN) are highly energetic astrophysical sources powered by accretion onto supermassive black holes in galaxies, which present unique observational signatures covering the full electromagnetic spectrum (and more) over…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Stefano Bianchi , Vincenzo Mainieri , Paolo Padovani

We present numerical simulations of galaxy clusters with stochastic heating from active galactic nuclei (AGN) that are able to reproduce the observed entropy and temperature profiles of non-cool-core (NCC) clusters. Our study uses N-body…

Cosmology and Nongalactic Astrophysics · Physics 2012-10-30 C. J. Short , P. A. Thomas , O. E. Young

Some of the most important probes of the quark-gluon plasma (QGP) produced in heavy ion collisions come from the analysis of how the shape and energy of jets are modified by passage through QGP. We model an ensemble of back-to-back dijets…

Nuclear Theory · Physics 2018-03-14 Jasmine Brewer , Krishna Rajagopal , Andrey Sadofyev , Wilke van der Schee

We use high-resolution cosmological zoom-in simulations to model mechanical and thermal feedback from AGN onto the evolution of Seyfert-type galaxies, studying the morphology of central galaxies growing within dark matter (DM) halos with…

Astrophysics of Galaxies · Physics 2025-09-18 Julianne Goddard , Isaac Shlosman , Emilio Romano-Diaz

AGN bubbles in cool-core galaxy clusters are believed to facilitate the transport of cosmic ray electrons (CRe) throughout the cluster. Recent radio observations are revealing complex morphologies of cluster diffuse emission, potentially…

High Energy Astrophysical Phenomena · Physics 2024-12-17 Paola Domínguez-Fernández , John ZuHone , Rainer Weinberger , Elena Bellomi , Lars Hernquist , Paul Nulsen , Gianfranco Brunetti

Relativistic jets from Active Galactic Nuclei (AGN) are highly energetic and emit radiation across a wide range of frequencies. Despite several observational studies, their particle composition still remains a key open question. The…

High Energy Astrophysical Phenomena · Physics 2026-03-02 Harshita Bhuyan , Bhargav Vaidya , Christian Fendt , Aditya Sharma

We study the effect of active galactic nuclei (AGN) heating on the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution Lambda-dominated cold dark matter cosmological simulations. Our…

Astrophysics · Physics 2009-11-10 Daisuke Kawata , Brad K. Gibson

The ISM evolution of elliptical galaxies experiencing feedback from accretion onto a central black hole was studied recently with high-resolution 1D hydrodynamical simulations including radiative heating and pressure effects, a RIAF-like…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 S. Pellegrini , L. Ciotti , J. P. Ostriker

Galaxy-galaxy mergers and close interactions have long been regarded as a viable mechanism for channeling gas toward the central supermassive black holes (SMBHs) of galaxies which are triggered as active galactic nuclei (AGNs). AGN pairs,…

Cosmology and Nongalactic Astrophysics · Physics 2011-08-11 Xin Liu , Yue Shen , Michael A. Strauss , Lei Hao

For jets, with great power comes great opportunity. The unprecedented center of mass energies available at the LHC open new windows on the QGP: we demonstrate that jet shape and jet cross section measurements become feasible as a new,…

High Energy Physics - Phenomenology · Physics 2009-05-20 Ivan Vitev , Simon Wicks , Ben-Wei Zhang
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