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X-Ray observations of groups and clusters of galaxies show that the Intra-Cluster Medium (ICM) in their cores is hotter than expected from cosmological numerical simulations of cluster formation which include star formation, radiative…

Astrophysics · Physics 2009-11-10 C. Zanni , G. Murante , G. Bodo , S. Massaglia , P. Rossi , A. Ferrari

We report on a series of three-dimensional magnetohydrodynamic simulations of active galactic nucleus (AGN) jet propagation in realistic models of magnetized galaxy clusters. We are primarily interested in the details of energy transfer…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 S. M. O'Neill , T. W. Jones

Central jetted active galactic nuclei (AGN) appear to heat the core regions of the intracluster medium (ICM) in cooling-core galaxy clusters and groups, thereby preventing a cooling catastrophe. However, the physical mechanism(s) by which…

High Energy Astrophysical Phenomena · Physics 2015-12-16 Christopher S. Reynolds , Steven A. Balbus , Alexander A. Schekochihin

Feedback from active galactic nuclei (AGN) is believed to be the most promising solution to the cooling flow problem in cool-core clusters, though how exactly the jet energy is transformed into heat is a subject of debate. Dissipation of…

High Energy Astrophysical Phenomena · Physics 2022-03-30 Shiang-Chih Wang , H. -Y. Karen Yang

Jets from active galactic nuclei (AGN) in the cores of galaxy clusters have the potential to be a major contributor to the energy budget of the intracluster medium (ICM). To study the dependence of the interaction between the AGN jets and…

Astrophysics · Physics 2009-11-13 John C. Vernaleo , Christopher S. Reynolds

Accreting supermassive black holes (SMBHs) frequently power jets that interact with the interstellar/circumgalactic medium (ISM/CGM), regulating star-formation in the galaxy. Highly supersonic jets launched by active galactic nuclei (AGN)…

Astrophysics of Galaxies · Physics 2024-01-02 Riju Dutta , Prateek Sharma , Kartick C. Sarkar , James M. Stone

Active galactic nucleus (AGN) jets are believed to be important in solving the cooling flow problem in the intracluster medium (ICM), while the detailed mechanism is still in debate. Here we present a systematic study on the energy coupling…

High Energy Astrophysical Phenomena · Physics 2020-06-22 Xiaodong Duan , Fulai Guo

Jet feedback from active galactic nuclei (AGN) harboured by brightest cluster galaxies is expected to play a fundamental role in regulating cooling in the intracluster medium (ICM). While observations and theory suggest energy within jet…

Astrophysics of Galaxies · Physics 2019-10-17 Martin A. Bourne , Debora Sijacki , Ewald Puchwein

We present a pair of 3-d magnetohydrodynamical simulations of intermittent jets from a central active galactic nucleus (AGN) in a galaxy cluster extracted from a high resolution cosmological simulation. The selected cluster was chosen as an…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Peter Mendygral , Tom Jones , Klaus Dolag

Feedback from active galactic nuclei (AGN) has become a major component in simulations of galaxy evolution, in particular for massive galaxies. AGN jets have been shown to provide a large amount of energy and are capable of quenching…

Cosmology and Nongalactic Astrophysics · Physics 2012-09-13 Volker Gaibler , Sadegh Khochfar , Martin Krause , Joseph Silk

We examine the detailed physics of the feedback mechanism by relativistic AGN jets interacting with a two-phase fractal interstellar medium in the kpc-scale core of galaxies using 29 3D grid-based hydrodynamical simulations. The feedback…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 A. Y. Wagner , G. V. Bicknell , M. Umemura

[abridged] Aims: We test the effects of re-orienting jets from an active galactic nucleus (AGN) on the intracluster medium in a galaxy cluster environment with short central cooling time. We investigate appearance and properties of the…

Astrophysics of Galaxies · Physics 2018-09-19 S. Cielo , A. Babul , V. Antonuccio-Delogu , J. Silk , M. Volonteri

We perform MHD simulations of AGN-blown bubbles in the Intercluster Medium (ICM) containing large-scale coherent magnetic fields. We assume that bubbles, created by the intermittent jets from Active Galactic Nuclei, quickly relax to the…

Astrophysics of Galaxies · Physics 2026-04-03 Aleksey Mohov , Maxim Lyutikov

We use SWIFT, a smoothed particle hydrodynamics code, to simulate the evolution of bubbles inflated by active galactic nuclei (AGN) jets, as well as their interactions with the ambient intracluster medium (ICM). These jets inflate lobes…

Astrophysics of Galaxies · Physics 2023-04-05 Filip Huško , Cedric G. Lacey

Feedback from active galactic nuclei (AGN) is believed to prevent catastrophic cooling in galaxy clusters. However, how the feedback energy is transformed into heat, and how the AGN jets heat the intracluster medium (ICM) isotropically,…

High Energy Astrophysical Phenomena · Physics 2016-10-05 H. -Y. K. Yang , C. S. Reynolds

Simulations of active galactic nuclei (AGN) jets have thus far been performed almost exclusively using grid-based codes. We present the first results from hydrodynamical tests of AGN jets, and their interaction with the intracluster medium…

Astrophysics of Galaxies · Physics 2023-02-22 Filip Huško , Cedric G. Lacey

Simulations of feedback by jets from active galactic nuclei (AGN) in the past mostly focused on the interaction at large scales as the circumgalactic medium or intra-cluster medium for clusters of galaxies. Only in recent years, simulations…

Astrophysics of Galaxies · Physics 2014-07-10 V. Gaibler

Jets from active galactic nuclei (AGNs) are expected to heat the surrounding intracluster medium (ICM). We investigate how the interaction between jets and the ICM appears in high-resolution X-ray observations using mock X-ray observations…

Astrophysics of Galaxies · Physics 2026-01-14 Mahiro Shirotori , Yutaka Fujita

Feeding and feedback of active galactic nuclei (AGN) are critical for understanding the dynamics and thermodynamics of the intracluster medium (ICM) within the cores of galaxy clusters. While radio bubbles inflated by AGN jets could be…

High Energy Astrophysical Phenomena · Physics 2019-01-23 H. -Y. K. Yang , M. Gaspari , C. Marlow

In recent years it has become increasingly clear that Active Galactic Nuclei, and radio-galaxies in particular, have an impact on large scale structure and galaxy formation. In principle, radio-galaxies are energetic enough to halt the…

Astrophysics · Physics 2009-11-13 John C. Vernaleo , Christopher S. Reynolds
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