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Related papers: Confronting 3 Dimensional Time-dependent Jet Simul…

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A large body of theoretical and computational work shows that jets - modelled as magnetized disk winds - exert an external torque on their underlying disks that can efficiently remove angular momentum and act as major drivers of disk…

Astrophysics · Physics 2009-11-11 Ralph E. Pudritz , Robi Banerjee

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

Using axisymmetric MHD simulations we investigate how the overall jet formation is affected by a variation in the disk magnetic flux profile and/or the existence of a central stellar magnetosphere. Our simulations evolve from an initial,…

Astrophysics · Physics 2015-05-13 Christian Fendt

We present the first 2.5-D MHD simulations of protostellar jets that include both the region in which the jet is launched magnetocentrifugally at scale lengths $<0.1$ AU, and where the propagating jet is observed at scale lengths $>10^3$…

Solar and Stellar Astrophysics · Physics 2011-01-25 Jon P. Ramsey , David A. Clarke

Two three-dimensional magnetohydrodynamical simulations of strongly magnetized conical jets, one with a poloidal and one with a helical magnetic field, have been performed. In the poloidal simulation a significant sheath (wind) of…

Astrophysics · Physics 2009-11-07 Philip Hardee , Alexander Rosen

The prospect of relativistic jets exhibiting complex morphologies as a consequence of geodetic precession has long been hypothesised. We have carried out a 3D hydrodynamics simulation study varying the precession cone angle, jet injection…

Astrophysics of Galaxies · Physics 2020-10-07 Maya Horton , Martin Krause , Martin Hardcastle

Magnetic fields are believed to play an essential role in astrophysical jets with observations suggesting the presence of helical magnetic fields. Here, we present three-dimensional (3D) ideal MHD simulationsof the Caltech plasma jet…

High Energy Astrophysical Phenomena · Physics 2014-11-07 Xiang Zhai , Hui Li , Paul M. Bellan , Shengtai Li

We report the results of 3-dimensional magnetohydrodynamic (MHD) simulations of a jet formation by the interaction between an accretion disk and a large scale magnetic field. The disk is not treated as a boundary condition but is solved…

Astrophysics · Physics 2009-11-13 H. Kigure , K. Shibata

Turbulent accretion disks are the most probable origin of jets from young stellar objects. Using an extended version of ZEUS-3D code in the axisymmetry option we investigate the evolution of a disk wind into a collimated jet. Resistive jets…

Astrophysics · Physics 2007-05-23 Miljenko Cemeljic , Christian Fendt

We present fully three-dimensional magnetohydrodynamic jet launching simulations of a jet source orbiting in a binary system. We consider a time-dependent binary gravitational potential, thus all tidal forces that are experienced in the…

High Energy Astrophysical Phenomena · Physics 2018-07-11 Somayeh Sheikhnezami , Christian Fendt

Gas falling into a black hole (BH) from large distances is unaware of BH spin direction, and misalignment between the accretion disc and BH spin is expected to be common. However, the physics of tilted discs (e.g., angular momentum…

High Energy Astrophysical Phenomena · Physics 2022-12-06 Matthew Liska , Casper Hesp , Alexander Tchekhovskoy , Adam Ingram , Michiel van der Klis , Sera Markoff

We study the launching of magnetized jets from a resistive circumstellar disk within a binary system, employing a unique combination of 3D MHD jet launching simulations (PLUTO code) and post-processed 3D radiative transfer modeling…

High Energy Astrophysical Phenomena · Physics 2025-04-16 Somayeh Sheikhnezami , Christian Fendt , Sareh Ataiee

Thermal and ionization structures of self-similar, magnetically-driven disk winds obtained in a companion paper \cite{Garcia2001a} are used to compute a series of jet synthetic observations. These include spatially resolved forbidden line…

Astrophysics · Physics 2009-11-07 Paulo J. V. Garcia , Sylvie Cabrit , Jonathan Ferreira , Luc Binette

Using high resolution adaptive mesh refinement simulations in 3D, we investigate the formation of relativistic jets from rotating magnetospheres. Here, we focus on the development of non-axisymmetric modes due to internal and external…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Oliver Porth

Jets and outflows are commonly observed in young stellar objects (YSOs), yet their origins remain debated. Using 3D non-ideal magnetohydrodynamic (MHD) simulations of a circumstellar disk threaded by a large-scale open poloidal magnetic…

Solar and Stellar Astrophysics · Physics 2025-07-03 Yisheng Tu , Zhi-Yun Li , Zhaohuan Zhu , Chun-Yen Hsu , Xiao Hu

The results of MHD numerical simulations of the formation and development of magnetized jets are presented. Similarity criteria for comparisons of the results of laboratory laser experiments and numerical simulations of astrophysical jets…

High Energy Astrophysical Phenomena · Physics 2019-03-20 V. S. Belyaev , G. S. Bisnovatyi-Kogan , A. I. Gromov , B. V. Zagreev , A. V. Lobanov , A. P. Matafonov , S. G. Moiseenko , O. D. Toropina

High-mass microquasar jets, produced in an accreting compact object in orbit around a massive star, must cross a region filled with stellar wind. The combined effects of the wind and orbital motion can strongly affect the jet properties on…

High Energy Astrophysical Phenomena · Physics 2021-12-22 Maxim V. Barkov , Valenti Bosch-Ramon

The kinematic and radiative power of molecular jets is expected to change as a protostar undergoes permanent or episodal changes in the rate at which it accretes. We study here the consequences of evolving jet power on the spatial and…

Astrophysics · Physics 2009-11-07 Alexander Rosen , Michael D. Smith

We present results of the first ever three-dimensional (3D) magnetohydrodynamic (MHD) simulations of the accretion-ejection structure. We investigate the 3D evolution of jets launched symmetrically from single stars but also jets from…

High Energy Astrophysical Phenomena · Physics 2015-12-02 Somayeh Sheikhnezami , Christian Fendt

Relativistic jets are believed to have a substantial impact on the gas dynamics and evolution of the interstellar medium (ISM) of their host galaxies. In this paper, we aim to draw a link between the simulations and the observable…