English
Related papers

Related papers: AGN jet evolution simulation with GADGET4-OSAKA

200 papers

The feedback mechanisms triggered by supernova (SN) events and active galactic nuclei (AGN) play a central role in regulating the star formation and shaping galaxy properties. However, quantifying the impact and efficiency of these…

Astrophysics of Galaxies · Physics 2024-07-12 M. C. Zerbo , M. E. De Rossi , M. A. Lara-López , S. A. Cora , L. J. Zenocratti

Jets emanating from active galactic nuclei (AGN) represent some of the most formidable particle accelerators in the universe, thereby emerging as viable candidates responsible for the detection of ultra-high-energy cosmic rays (UHECRs). If…

High Energy Astrophysical Phenomena · Physics 2025-02-25 Olmo Piana , Hung-Yi Pu

We analyze the variability of the parsec-scale jet directions in active galactic nuclei (AGNs). Our analysis involves 317 AGNs at frequencies ranging from 2 to 43 GHz, and is made possible by developing an automatic inner jet direction…

High Energy Astrophysical Phenomena · Physics 2025-02-11 Ivan Kostrichkin , Alexander Plavin , Alexander Pushkarev , Marina Butuzova

The combined study of the flaring of Active Galactic Nuclei (AGN) at radio wavelengths and pc-scale jet kinematics with Very Long Baseline Interferometry (VLBI) has led to the view that i) the observed flares are associated with ejections…

High Energy Astrophysical Phenomena · Physics 2023-07-14 Silke Britzen , Michal Zajaček , Gopal-Krishna , Christian Fendt , Emma Kun , Frédéric Jaron , Aimo Sillanpää , Andreas Eckart

This is the fourth paper of our series investigating the effects of active galactic nucleus (AGN) feedback in the evolution of an elliptical galaxy using the {\it MACER} framework. While previous works considered only AGN radiation and…

Astrophysics of Galaxies · Physics 2026-05-01 Minhang Guo , Feng Yuan , Suoqing Ji , Bocheng Zhu

Three-dimensional simulations of relativistic jets are a useful tool to understand the evolution of jets and radio galaxies in detail. However, computationally demanding as they are, their use is limited to a relatively small number of…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-14 Pau Beltrán-Palau , Manel Perucho , José María Martí

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

Cool cores of galaxy clusters are thought to be heated by low-power active galactic nuclei (AGN), whose accretion is regulated by feedback. However, the interaction between the hot gas ejected by the AGN and the ambient intracluster medium…

High Energy Astrophysical Phenomena · Physics 2009-06-01 M. Brueggen , E. Scannapieco

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…

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

Radio-mode feedback is a key ingredient in galaxy formation and evolution models, required to reproduce the observed properties of massive galaxies in the local Universe. We study the cosmic evolution of radio-AGN feedback out to $z\sim2.5$…

AGN jets are thought to be vital ingredients in galaxy evolution through the action of kinetic feedback; however, how narrow, relativistic outflows couple to galaxies remains an open question. Jet deceleration, which is often attributed to…

High Energy Astrophysical Phenomena · Physics 2025-11-11 Talia M. O'Shea , Sebastian Heinz , Melinda Soares-Furtado , Zsofi Igo , Andrea Merloni

Active Galactic Nucleus (AGN) feedback plays a critical role in galaxy formation and evolution. AGN-driven winds can significantly influence their host galaxies, although the details of their impact remain unclear. In this study, we…

Astrophysics of Galaxies · Physics 2026-03-16 Jinning Liang , Cedric G. Lacey , Filip Huško , Evgenii Chaikin , Sownak Bose

Context: Few Active Galactic Nuclei (AGN) reveal a double sided jet system. However, these are crucial to understand basic physical properties of extragalactic jets. Aims: We address the questions whether jets in AGN are symmetric in…

Astrophysics of Galaxies · Physics 2019-02-27 A. -K. Baczko , R. Schulz , M. Kadler , E. Ros , M. Perucho , C. M. Fromm , J. Wilms

The formation of relativistic jets in active galactic nuclei (AGN) is related to accretion on to their central supermassive black holes, and magnetic fields are believed to play a central role in launching, collimating and accelerating the…

Astrophysics of Galaxies · Physics 2017-02-23 Juliana C. Motter , Denise C. Gabuzda

We study various implementations of supernova feedback model and present the results of our `Osaka feedback model' using isolated galaxy simulations performed by the smoothed particle hydrodynamics (SPH) code {\small GADGET-3}. Our model is…

Astrophysics of Galaxies · Physics 2019-01-23 Ikkoh Shimizu , Keita Todoroki , Hidenobu Yajima , Kentaro Nagamine

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

Active galactic nucleus (AGN) powered jets can accelerate cosmic ray electrons, leading to the observed radio synchrotron emission. To simulate this emission, jet dynamics in galaxy clusters must be coupled to electron spectral modelling.…

Astrophysics of Galaxies · Physics 2026-01-19 Léna Jlassi , Rainer Weinberger , Christoph Pfrommer , Maria Werhahn , Joseph Whittingham , Philipp Girichidis

We investigated the time-dependent radiative and dynamical properties of light supersonic jets launched into an external medium, using hydrodynamic simulations and numerical radiative transfer calculations. These involved various structural…

Astrophysics of Galaxies · Physics 2015-05-18 Curtis J. Saxton , Kinwah Wu , Svetlana Korunoska , Khee-Gan Lee , Kai-Yan Lee , Nicola Beddows

Large scale, weakly collimated outflows are very common in galaxies with large infrared luminosities. In complex systems in particular, where intense star formation (SF) coexists with an active galactic nucleus (AGN), it is not clear yet…

Astrophysics of Galaxies · Physics 2015-10-21 Claudio Melioli , Elisabete M. de Gouveia Dal Pino