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Extragalactic radio sources appear under different morphologies, the most frequent ones are classified as Fanaroff-Riley type I (FR I), typically with lower luminosities, and Fanaroff-Riley type II, (FR II), typically more luminous. This…

High Energy Astrophysical Phenomena · Physics 2022-03-23 S. Massaglia , G. Bodo , P. Rossi , A. Capetti , A. Mignone

Radio observations of Fanaroff-Riley class II sources often show correlations between the synchrotron emission and the linear-polarimetric distributions. Magnetic position vectors seem to align with the projected emission of both the radio…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Martin Huarte-Espinosa , Martin Krause , Paul Alexander

Extragalactic radio sources have been classified into two classes, Fanaroff-Riley I and II, which differ in morphology and radio power. Strongly emitting sources belong to the edge-brightened FR II class, and weakly emitting sources to the…

High Energy Astrophysical Phenomena · Physics 2016-12-07 S. Massaglia , G. Bodo , P. Rossi , S. Capetti , A. Mignone

3D-MHD numerical simulations of bipolar, hypersonic, weakly magnetized jets and synthetic synchrotron observations are presented to study the structure and evolution of magnetic fields in FR II radio sources. The magnetic field setup in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Martin Huarte-Espinosa , Martin Krause , Paul Alexander

We present multi-dimensional simulations of magnetized radiative jets appropriate to Young Stellar Objects. Magnetized jets subject to collisionally excited radiative losses have not, as yet, received extensive scrutiny. The purpose of this…

Astrophysics · Physics 2009-10-30 A. Frank , D. Ryu , T. W. Jones , A. Noriega-Crespo

We here review the results of recent studies of magnetic field effects on the structure and evolution of overdense, radiative cooling, steady and pulsed jets which were carried out with the help of fully three-dimensional MHD simulations.…

Astrophysics · Physics 2007-05-23 Elisabete M. de Gouveia Dal Pino , Adriano H. Cerqueira

We perform three-dimensional numerical simulations of magnetized relativistic jets propagating in a uniform density environment in order to study the effect of the entrainment and the consequent deceleration, extending a previous work in…

High Energy Astrophysical Phenomena · Physics 2024-02-08 Paola Rossi , Gianluigi Bodo , Silvano Massaglia , Alessandro Capetti

Short gamma-ray bursts originate when relativistic jets emerge from the remnants of binary neutron star mergers. Both the jet and the remnant are believed to be strongly magnetized, and the presence of magnetic fields is known to influence…

High Energy Astrophysical Phenomena · Physics 2024-11-01 Giancarlo Mattia , Luca Del Zanna , Andrea Pavan , Riccardo Ciolfi

(Abridged) We here investigate, by means of fully 3-D Smoothed Particle Magnetohydrodynamic numerical simulations, the effects of magnetic fields on overdense, radiatively cooling, pulsed jets, using different initial magnetic field…

Astrophysics · Physics 2009-11-06 Adriano H. Cerqueira , Elisabete M. de Gouveia Dal Pino

Extragalactic jets exhibit a wide range of propagation orientations relative to the host galaxy's principal axis. This study investigate the spatiotemporal evolution of jets as a function of their propagation direction within their triaxial…

We investigate the effect of magnetic fields on the propagation dynamics and morphology of overdense, radiatively cooling, supermagnetosonic jets, with the help of fully three-dimensional SPMHD simulations. Evaluated for a set of parameters…

Astrophysics · Physics 2009-10-30 Adriano H. Cerqueira , Elisabete M. de Gouveia Dal Pino

We present 3-D MHD and synthetic numerical simulations to follow the evolution of randomly magnetized intra-cluster medium plasma under the effects of powerful, light, hypersonic and bipolar jets. We prescribe the cluster magnetic field…

Cosmology and Nongalactic Astrophysics · Physics 2011-11-07 Martín Huarte-Espinosa , Martin Krause , Paul Alexander

Magnetic fields, which are undoubtedly present in extragalactic jets and responsible for the observed synchrotron radiation, can affect the morphology and dynamics of the jets and their interaction with the ambient cluster medium. We…

High Energy Astrophysical Phenomena · Physics 2012-09-13 V. Gaibler , M. Krause , M. Camenzind

We discuss the propagation of radiative MHD jets and outflows focusing on outflows driven by magneto-centrifugal rotators. Our goal is to link the properties of the jets with the physics of the sources which produce them. We find that…

Astrophysics · Physics 2007-05-23 Adam Frank , Thomas A. Gardiner , Thibaut Lery

Extragalactic jets are broadly classified into two categories based on radio observations: core-brightened jets, known as Fanaroff-Riley Type I (FR I), and edge-brightened jets, classified as Type II (FR II). This FR dichotomy may arise due…

High Energy Astrophysical Phenomena · Physics 2026-01-15 Priyesh Kumar Tripathi , Indranil Chattopadhyay , Raj Kishor Joshi , Ritaban Chatterjee , Sanjit Debnath , M. Saleem Khan

A combination of three-dimensional (3D) magnetohydrodynamics (MHD) and synthetic numerical simulations are presented to follow the evolution of a randomly magnetised plasma that models the intra-cluster medium (ICM), under the isolated…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Martín Huarte-Espinosa , Martin Krause , Paul Alexander

A simple look at the steady high-energy Universe reveals a clear correlation with outflows generated around compact objects (winds and jets). In the case of relativistic jets, they are thought to be produced as a consequence of the…

High Energy Astrophysical Phenomena · Physics 2019-12-03 Manel Perucho

We study the H$\alpha$ emission from jets using two-dimensional axisymmetrical simulations. We compare the emission obtained from hydrodynamic (HD) simulations with that obtained from magnetohydrodynamics (MHD) simulations. The magnetic…

Astrophysics · Physics 2009-11-11 Fabio De Colle , Alejandro Raga

We present the results of 2.5-dimensional resistive magnetohydrodynamic (MHD) simulations of the magnetic interaction between a weakly magnetized neutron star and its accretion disk. General relativistic effects are simulated by using the…

Astrophysics · Physics 2009-11-10 Yoshiaki Kato , Mitsuru Hayashi , Ryoji Matsumoto

We computed the thermal microwave emission from a 3D magnetohydrodynamic (MHD) simulation and compared it with observations of solar jets. The simulation treats the emergence of magnetic flux into the solar atmosphere and its interaction…

Solar and Stellar Astrophysics · Physics 2025-07-23 Costas E. Alissandrakis , Vasilis Archontis , Kostas Moraitis
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