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Related papers: Exploring the Jet Formation in binary systems appl…

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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

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

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

We present a detailed physical analysis of the jet launching mechanism of a circum-stellar disk that is located in a binary system. Applying 3D resistive MHD simulations, we investigate the local and global properties of the system, such as…

High Energy Astrophysical Phenomena · Physics 2022-02-09 Somayeh Sheikhnezami , Christian Fendt

Axisymmetric magnetohydrodynamic (MHD) simulations have been applied to investigate the interrelation of a central stellar magnetosphere and stellar wind with a surrounding magnetized disk outflow and how the overall formation of a large…

Astrophysics · Physics 2011-02-11 Christian Fendt

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

(Abridged) Finite radius accretion disks are a strong candidate for launching astrophysical jets from their inner parts and disk-winds are considered as the basic component of such magnetically collimated outflows. The only available…

We present results of axisymmetric magnetohydrodynamic (MHD) simulations investigating the launching of jets and outflows from a magnetically diffusive accretion disk. The time evolution of the disk structure is self-consistently taken into…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Deniss Stepanovs , Christian Fendt

We use axisymmetric magnetohydrodynamic (MHD) simulations to investigate the launching and collimation of jets emerging from the disk-magnetosphere boundary of accreting magnetized stars. Our analysis shows that the matter flows into the…

Solar and Stellar Astrophysics · Physics 2012-01-25 Patrick S Lii , Marina M. Romanova , Richard V. Lovelace

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

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

We present 2.5-D global, ideal MHD simulations of magnetically and rotationally driven protostellar jets from Keplerian accretion discs, wherein only the initial magnetic field strength at the inner radius of the disc, $B_{\rm i}$, is…

Solar and Stellar Astrophysics · Physics 2019-02-06 Jon P. Ramsey , David A. Clarke

A set of 3D MHD simulations of magnetized jets has been performed. The jets contain an equipartition primarily poloidal magnetic field and the effect of jet density on jet dynamics and structure is evaluated. The jet is precessed at the…

Astrophysics · Physics 2009-10-30 P. E. Hardee , D. A. Clarke , A. Rosen

Observations of Young Stellar Objects (YSOs) systems reveal a wide diversity of jet properties, from well-collimated bipolar jets to uni-polar jets and systems with no detectable jet. Both prograde and counter-rotating jets are reported,…

Solar and Stellar Astrophysics · Physics 2026-04-14 Yisheng Tu , Zhi-Yun Li , Zhaohuan Zhu , Kass Bell

Disc-winds originating from the inner parts of accretion discs are considered as the basic component of magnetically collimated outflows. The only available analytical MHD solutions to describe disc-driven jets are those characterized by…

Solar and Stellar Astrophysics · Physics 2015-06-18 Matthias Stute , Jose Gracia , Nektarios Vlahakis , Kanaris Tsinganos , Andrea Mignone , Silvano Massaglia

We examine, parametrically, the interaction between the magnetosphere of a rotating, young stellar object (YSO) and a circumstellar accretion disk using 2.5-D (cylindrically symmetric) numerical magnetoydrodynamic simulations. The…

Astrophysics · Physics 2009-11-07 Sean Matt , Anthony Goodson , Robert Winglee , Karl-Heinz Bohm

We present results of magnetohydrodynamic (MHD) simulations of jet formation and propagation, discussing a variety of astrophysical setups. In the first approach we consider simulations of relativistic MHD jet formation, considering jets…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Christian Fendt , Oliver Porth , Somayeh Sheikhnezami

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 have performed 3-D numerical magnetohydrodynamic (MHD) jet experiments to study the instabilities associated with strongly toroidal magnetic fields and determine if such magnetic configurations in jets are as unstable as similar…

Astrophysics · Physics 2007-05-23 F. Thomsen , A. Nordlund

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
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