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Related papers: Dissipation of AGN jets in a clumpy interstellar m…

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Radio-mode AGN feedback plays a key role in the evolution of galaxy groups and clusters. Its physical origin lies in the kpc-scale interaction of AGN jets with the intracluster medium. Large-scale jet simulations often initiate light…

High Energy Astrophysical Phenomena · Physics 2016-07-20 Fulai Guo

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

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

Relativistic jets launched from stellar-mass compact objects embedded in the accretion disk of an active galactic nucleus (AGN) can produce nonthermal emission upon successfully breaking out of the disk. In this paper, we present a…

High Energy Astrophysical Phenomena · Physics 2026-05-26 Ken Chen , Zi-Gao Dai

Relativistic jets in active galactic nuclei (AGN) convert as much as half of their energy into radiation. To explore the poorly understood processes that are responsible for this conversion, we carry out fully 3D magnetohydrodynamic (MHD)…

High Energy Astrophysical Phenomena · Physics 2017-06-28 Rodolfo Barniol Duran , Alexander Tchekhovskoy , Dimitrios Giannios

The circumgalactic medium (CGM) is responsive to kinetic disruptions generated by nearby astrophysical events. In this work, we study the saturation and dissipation of turbulent hydrodynamics within the CGM through an extensive array of 252…

Astrophysics of Galaxies · Physics 2024-06-28 Alex Lv , Lile Wang , Renyue Cen , Luis C. Ho

We study the propagation of relativistic jets originating from AGNs within the Interstellar/Intergalactic Medium of their host galaxies, and use it to build a model for the suppression of stellar formation within the expanding cocoon.

Astrophysics · Physics 2009-11-13 V. Antonuccio-Delogu , J. Silk

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

Jets and outflows from young stellar objects are proposed candidates to drive supersonic turbulence in molecular clouds. Here, we present the results from multi-dimensional jet simulations where we investigate in detail the energy and…

Astrophysics · Physics 2009-11-13 Robi Banerjee , Ralf S. Klessen , Christian Fendt

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

Ranging from a few pc to hundreds of kpc in size, radio jets have, during their evolution, an impact on their gaseous environment on a large range of scales. While their effect on larger scales is well established, it is now becoming clear…

Astrophysics of Galaxies · Physics 2022-01-13 Raffaella Morganti , Tom Oosterloo , Suma Murthy , Clive Tadhunter

Small-scale winds driven from accretion discs surrounding active galactic nuclei (AGN) are expected to launch kpc-scale outflows into their host galaxies. However, the ways in which the structure of the interstellar medium (ISM) affects the…

Astrophysics of Galaxies · Physics 2024-08-19 Samuel Ruthven Ward , Tiago Costa , Chris M. Harrison , Vincenzo Mainieri

The interaction between jets from active galactic nuclei (AGNs) and the intracluster medium (ICM) provides key constraints on the feeding and feedback of supermassive black holes. Much understanding about AGN feedback is gained from purely…

High Energy Astrophysical Phenomena · Physics 2019-10-02 M. Kingsland , H. -Y. K. Yang , C. S. Reynolds , J. A. Zuhone

Coupling between active galactic nuclei (AGN) and the circumgalactic medium (CGM) is critical to the interplay between radiative cooling and feedback heating in the atmospheres of the universe's most massive galaxies. This paper presents a…

Astrophysics of Galaxies · Physics 2022-06-22 Deovrat Prasad , G. Mark Voit , Brian W. O'Shea

Active galactic nuclei (AGN) powered by the central Super-Massive Black Holes (SMBHs) play a major role in modifying the thermal properties of the intracluster medium (ICM). In this work, we implement two AGN heating models: (i) by buoyant…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-30 Asif Iqbal , Subhabrata Majumdar , Biman B. Nath , Suparna Roychowdhury

Active galactic nucleus (AGNs) feedback is widely accepted as the key mechanism to suppress cooling flows in galaxy clusters. However, the dependence of heating efficiency on jet properties is not fully understood. In this work, we present…

Astrophysics of Galaxies · Physics 2026-05-13 Tzu-Wei Tsai , Hsiang-Yi Karen Yang

Extragalactic jets are formed close to supermassive black-holes in the center of galaxies. Large amounts of gas, dust, and stars cluster in the galaxy nucleus, and interactions between this ambient material and the jet base should be…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Valenti Bosch-Ramon , Manel Perucho , Maxim V. Barkov

Recollimation is a phenomenon of particular importance in the dynamic evolution of jets and in the emission of high-energy radiation. Additionally, the full comprehension of this phenomenon provides insights into fundamental properties of…

High Energy Astrophysical Phenomena · Physics 2026-01-14 A. Costa , G. Bodo , F. Tavecchio , P. Rossi , P. Coppi , A. Sciaccaluga , S. Boula

The high kinetic energy outflowing in the jets of microquasars is delivered to the surrounding interstellar medium. This energy input can cause the formation of bow shocks and cocoons that may be detectable from radio to gamma-ray energies.…

Astrophysics of Galaxies · Physics 2015-05-13 P. Bordas , V. Bosch-Ramon , J. M. Paredes , M. Perucho

Various radio galaxies show signs of having gone through episodic jet outbursts in the past. An example is the class of double-double radio galaxies (DDRGs). However, to follow the evolution of an individual source in real-time is…

Astrophysics of Galaxies · Physics 2015-06-17 Sander Walg , Abraham Achterberg , Sera Markoff , Rony Keppens , Oliver Porth