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We report a 3D MHD simulation study of the interactions between radio galaxies and galaxy-cluster-media shocks in which the incident shock normals are orthogonal to the bipolar AGN jets. Before shock impact, light, supersonic jets inflate…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Chris Nolting , T. W. Jones , Brian O'Neill , P. J. Mendygral

We investigate the launching of outflows from the disk-magnetosphere boundary of slowly and rapidly rotating magnetized stars using axisymmetric and exploratory 3D magnetohydrodynamic (MHD) simulations. We find long-lasting outflows in both…

Solar and Stellar Astrophysics · Physics 2015-05-13 M. M. Romanova , G. V. Ustyugova , A. V. Koldoba , R. V. E. Lovelace

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 the first three-dimensional simulations of the evolution of a microquasar jet inside the binary-star system. The aim is to study the interaction of these jets with the stellar wind from a massive companion and the possible…

High Energy Astrophysical Phenomena · Physics 2015-05-20 M. Perucho , V. Bosch-Ramon , D. Khangulyan

We review advances in the theoretical and computational studies of disk winds, jets and outflows including: the connection between accretion and jets, the launch of jets from magnetized disks, the coupled evolution of jets and disks, the…

Astrophysics · Physics 2007-05-23 Ralph E. Pudritz , Rachid Ouyed , Christian Fendt , Axel Brandenburg

Liquid jet formations on water surfaces serve as a cornerstone in diverse scientific disciplines, underpinning processes in climatology, environmental science, and human health issues. Traditional models predominantly focus on pristine…

Fluid Dynamics · Physics 2025-08-20 Xianggang Cheng , Xiao-Peng Chen , Zhi-Ming Yuan , Laibing Jia

Recent studies have shown that the passage of a massive satellite through the disk of a spiral galaxy can induce vertical wobbles in the disk and produce features such as in-plane rings and phase-space spirals. Here we analyze a…

Astrophysics of Galaxies · Physics 2019-07-10 Tim Haines , Elena D'Onghia , Benoit Famaey , Chervin Laporte , Lars Hernquist

We investigate the dynamics of bow shock nebulae created by pulsars moving supersonically through a partially ionized interstellar medium. A fraction of interstellar neutral hydrogen atoms penetrating into the tail region of a pulsar wind…

High Energy Astrophysical Phenomena · Physics 2015-11-04 G. Morlino , M. Lyutikov , M. J. Vorster

Extreme-ultraviolet and X-ray jets occur frequently in magnetically open coronal holes on the Sun, especially at high solar latitudes. Some of these jets are observed by white-light coronagraphs as they propagate through the outer corona…

Solar and Stellar Astrophysics · Physics 2017-03-15 Vadim M. Uritsky , Merrill A. Roberts , C. Richard DeVore , Judith T. Karpen

We perform relativistic hydrodynamic simulations of internal shocks formed in microquasar jets by continuous variation of the bulk Lorentz factor, in order to investigate the internal shock model. We consider one-, two-, and flicker noise…

High Energy Astrophysical Phenomena · Physics 2020-12-08 Patryk Pjanka , James M. Stone

Forming planets around young, fast-rotating solar-like stars are exposed to an intense X-ray/extreme ultraviolet radiation field and strongly magnetized stellar winds, as a consequence of the high magnetic activity of these stars. Under…

Earth and Planetary Astrophysics · Physics 2023-07-26 Ada Canet , Ana I. Gómez De Castro

We have applied axisymmetric MHD simulations to investigate the impact of the accretion disk magnetic flux profile on the jet collimation. Using the ZEUS-3D code modified for magnetic diffusivity, our simulations evolve from an initial…

Astrophysics · Physics 2008-11-26 Christian Fendt

We present millimeter line observations of the HH 111 outflow and its driving source. The molecular gas emission observed with IRAM 30m and the CSO reveals a small condensation of cold and dense gas. The low-velocity outflow has been mapped…

Astrophysics · Physics 2009-01-19 B. Lefloch , J. Cernicharo , B. Reipurth , J. R. Pardo , R. Neri

Protostellar jets are known to emit in a wide range of bands, from radio to IR to optical bands, and to date also about ten X-ray emitting jets have been detected, with a rate of discovery of about one per year. We aim at investigating the…

Solar and Stellar Astrophysics · Physics 2015-05-18 R. Bonito , S. Orlando , M. Miceli , J. Eislöffel , G. Peres , F. Favata

We explore the possibility of formation of steady internal shocks in jets around black holes. We consider a fluid described by a relativistic equation of state, flowing about the axis of symmetry ($\theta=0$) in a Schwarzschild metric. We…

High Energy Astrophysical Phenomena · Physics 2017-06-21 Mukesh Vyas , Indranil Chattopadhyay

In a parameter study extending to jet densities of $10^{-5}$ times the ambient one, I have recently shown that light large scale jets start their lives in a spherical bow shock phase. This allows an easy description of the sideways bow…

Astrophysics · Physics 2009-11-10 Martin G. H. Krause

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

We investigate the formation of bow shocks around exoplanets as a result of the interaction of the planet with the coronal material of the host star, focusing on physical causes that can lead to temporal variations in the shock…

Solar and Stellar Astrophysics · Physics 2015-05-27 A. A. Vidotto , M. Jardine , Ch. Helling

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

Jet-matter interaction remains a central question and a theoretical challenge in heavy-ion physics and might become important in high-multiplicity events in proton-proton collisions at LHC energies. Full jet measurement at LHC offer the…

High Energy Physics - Phenomenology · Physics 2011-03-18 A. G. Agócs , G. G. Barnaföldi , P. Lévai