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Related papers: High-Resolution Simulations of LS 5039

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Using a set of high resolution hydrodynamical simulations run with the Cholla code, we investigate how mass and momentum couple to the multiphase components of galactic winds. The simulations model the interaction between a hot wind driven…

Astrophysics of Galaxies · Physics 2017-01-18 Evan E. Schneider , Brant E. Robertson

We study orbital evolution of multi-planet systems that form a resonant chain, with nearest neighbours close to first order commensurabilities, incorporating orbital circularisation produced by tidal interaction with the central star. We…

Earth and Planetary Astrophysics · Physics 2021-06-23 J. C. B. Papaloizou

The Galactic centre is a hotbed of astrophysical activity, with the injection of wind material from $\sim$30 massive Wolf-Rayet (WR) stars orbiting within 12" of the super-massive black hole (SMBH) playing an important role. Hydrodynamic…

High Energy Astrophysical Phenomena · Physics 2017-09-20 Christopher M. P. Russell , Q. Daniel Wang , Jorge Cuadra

A procedure is presented to map from the spatial correlation parameters of a turbulent density field (the radial and binormal correlation lengths and wavenumbers, and the fluctuation amplitude) to correlation parameters that would be…

Plasma Physics · Physics 2017-04-05 M. F. J. Fox , A. R. Field , F. van Wyk , Y. -c. Ghim , A. A. Schekochihin , the MAST Team

Three-dimensional special relativistic magnetohydrodynamic simulations are performed to investigate properties of the downstream turbulence generated by the interaction between a relativistic shock wave and multiple clumps. We analyze the…

High Energy Astrophysical Phenomena · Physics 2025-04-24 Kanji Morikawa , Yutaka Ohira , Takumi Ohmura

High-resolution Very-Long-Baseline Interferometry observations of active galactic nuclei have revealed asymmetric structures in the jets of radio galaxies. These asymmetric structures may be due to internal asymmetries in the jet, could be…

High Energy Astrophysical Phenomena · Physics 2018-01-17 C. M. Fromm , M. Perucho , O. Porth , Z. Younsi , E. Ros , Y. Mizuno , J. A. Zensus , L. Rezzolla

We report on a very large set of simulations of collisions between two main sequence (MS) stars. These computations were done with the ``Smoothed Particle Hydrodynamics'' method. Realistic stellar structure models for evolved MS stars were…

Astrophysics · Physics 2009-11-10 Marc Freitag , Willy Benz

The X-ray emission from the wind-wind collision in short-period massive O+O-star binaries is investigated. The emission is calculated from three-dimensional hydrodynamical models which incorporate gravity, the driving of the winds, orbital…

Solar and Stellar Astrophysics · Physics 2015-05-14 J. M. Pittard , E. R. Parkin

LS 5039 is one of the four TeV emitting X-ray binaries detected up to now. The powering source of its multi-wavelength emission can be accretion in a microquasar scenario or wind interaction in a young non-accreting pulsar scenario. These…

High Energy Astrophysical Phenomena · Physics 2009-04-14 J. Moldon , M. Ribo , J. M. Paredes , J. Marti , M. Massi

LS 5039 is one of the four TeV emitting X-ray binaries detected up to now. The powering source of its multi-wavelength emission can be accretion in a microquasar scenario or wind interaction in a young non-accreting pulsar scenario. These…

Astrophysics · Physics 2009-06-25 J. Moldon , M. Ribo , Josep M. Paredes , J. Marti , M. Massi

Solar Orbiter provides unique capabilities to understand the heliosphere. In particular, it has made observations of the far-side of the Sun and provides unique information to improve space weather monitoring. We aim to quantify how…

Solar and Stellar Astrophysics · Physics 2024-04-11 Barbara Perri , Adam Finley , Victor Réville , Susanna Parenti , Allan Sacha Brun , Antoine Strugarek , Éric Buchlin

The emission of $\gamma$-rays in jets emanating from the vicinity of collapsed stellar remnants, in binary systems known as microquasars, is investigated using a three dimensional relativistic hydrocode (PLUTO), in combination with two…

High Energy Astrophysical Phenomena · Physics 2015-06-18 T. Smponias , T. S. Kosmas

We present a 3D dynamical model of the orbital induced curvature of the wind-wind collision region in binary star systems. Momentum balance equations are used to determine the position and shape of the contact discontinuity between the…

Astrophysics · Physics 2009-11-13 E. R. Parkin , J. M. Pittard

Magnetohydrodynamical simulations are presented of a magnetized pulsar wind interacting directly with the interstellar medium, or, in the case of a surrounding supernova remnant, with the associated freely expanding ejecta of the progenitor…

Astrophysics · Physics 2009-11-07 Eric van der Swaluw

Rotation in planetary atmospheres plays an important role in regulating atmospheric and oceanic heat flow, cloud formation and precipitation. Using the Goddard Institute for Space Studies (GISS) three dimension General Circulation Model…

Earth and Planetary Astrophysics · Physics 2016-12-28 M. J. Way , A. D. Del Genio , M. Kelley , I. Aleinov , T. Clune

Gas giant exoplanets orbiting at close distances to the parent star are subjected to large radiation and stellar wind fluxes. In this paper, hydrodynamic simulations of the planetary upper atmosphere and its interaction with the stellar…

Earth and Planetary Astrophysics · Physics 2016-03-23 Duncan Christie , Phil Arras , Zhi-Yun Li

We model the intensity of emission lines from the CO molecule, based on hydrodynamic simulations of spirals, mergers, and high-redshift galaxies with very high resolutions (3pc and 10^3 Msun) and detailed models for the phase-space…

Astrophysics of Galaxies · Physics 2015-02-25 F. Bournaud , E. Daddi , A. Weiss , F. Renaud , C. Mastropietro , R. Teyssier

The recently released spacecraft potential measured by the RPW instrument on-board Solar Orbiter has been used to estimate the solar wind electron density in the inner heliosphere. Solar-wind electron density measured during June 2020 has…

We analyze a suite of thin sheet magnetohydrodynamical simulations based on the formulation of Basu, Ciolek, Dapp & Wurster. These simulations allow us to examine the observational consequences to a star-forming region of varying the input…

Solar and Stellar Astrophysics · Physics 2009-07-22 Helen Kirk , Doug Johnstone , Shantanu Basu

Numerical simulations of magneto-convection have greatly expanded our understanding of stellar interiors and stellar magnetism. Recently, fully compressible hydrodynamical simulations of full-star models have demonstrated the feasibility of…

Solar and Stellar Astrophysics · Physics 2022-08-03 José R. Canivete Cuissa , Romain Teyssier
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