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Related papers: Simulating Anisotropic Thermal Conduction in Super…

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We explore the importance of anisotropic thermal conduction in the evolution of supernova remnants via numerical simulations. The mean temperature of the bubble of hot gas is decreased by a factor of ~3 compared to simulations without…

Astrophysics · Physics 2009-11-11 David A. Tilley , Dinshaw S. Balsara

We explore the role of anisotropic thermal conduction on the evolution of supernova remnants through interstellar media with a range of densities via numerical simulations. We find that a remnant expanding in a dense environment can produce…

Astrophysics · Physics 2009-11-11 David A. Tilley , Dinshaw S. Balsara , J. Christopher Howk

We present a large number of two and a half dimensional simulations of supernova remnants expanding into interstellar media having a range of densities, temperatures and magnetic field strengths. The volume of hot gas produced is strongly…

Astrophysics · Physics 2009-11-13 D. S. Balsara , A. J. Bendinelli , D. A. Tilley , A. R. Massari , J. C. Howk

The hydrodynamic state of the interstellar medium (ISM) heated and randomly stirred by supernovae (SNe) is investigated. We use a three-dimensional non-ideal hydrodynamic ISM model in a domain extending 0.5 x 0.5 kpc horizontally and 2 kpc…

Astrophysics of Galaxies · Physics 2013-12-04 Frederick Gent , Maarit J. Mantere , Anvar Shukurov , Andrew Fletcher , Graeme R. Sarson

The large temperature difference between cold gas clouds around galaxies and the hot halos that they are moving through suggests that thermal conduction could play an important role in the circumgalactic medium. However, thermal conduction…

Astrophysics of Galaxies · Physics 2021-01-29 Richard Kooij , Asger Grønnow , Filippo Fraternali

We model the hydrodynamic interaction of a shock wave of an evolved supernova remnant with a small interstellar gas cloud like the ones observed in the Cygnus loop and in the Vela SNR. We investigate the interplay between radiative cooling…

Astrophysics · Physics 2009-11-11 S. Orlando , G. Peres , F. Reale , F. Bocchino , R. Rosner , T. Plewa , A. Siegel

We investigate the evolution of supernova remnants (SNRs) in a two-phase cloudy medium by performing a series of high-resolution (up to $\Delta x\approx0.01\,\mathrm{pc}$), 3D hydrodynamical simulations including radiative cooling and…

Astrophysics of Galaxies · Physics 2024-11-21 Minghao Guo , Chang-Goo Kim , James M. Stone

We investigate the evolution of spherically symmetric supernova remnants in which mass loading takes place due to conductively driven evaporation of embedded clouds. Numerical simulations reveal significant differences between the evolution…

Thermal instability (TI) can strongly affect the structure and dynamics of the interstellar medium (ISM) in the Milky Way and other disk galaxies. Thermal conduction plays an important role in the TI by stabilizing small scales and limiting…

Astrophysics of Galaxies · Physics 2015-06-03 Ena Choi , James M. Stone

Context: Multiwavelength observations of supernova remnants can be explained within the framework of the diffusive shock acceleration theory, which allows effective conversion of the explosion energy into cosmic rays. Although the models of…

Astrophysics · Physics 2009-11-13 L. O'C. Drury , F. A. Aharonian , D. Malyshev , S. Gabici

The evolution of supernova remnants (SNRs) is studied, with particular attention to the effect of magnetic fields with axisymmetric two-dimensional magnetohydrodynamical simulations. The evolution of magnetic SNRs is the same as…

Astrophysics · Physics 2009-11-13 Hidekazu Hanayama , Kohji Tomisaka

We simulate the evolution of cluster galaxies' hot interstellar medium (ISM) gas due to ram pressure and thermal conduction in the intracluster medium (ICM). At the density and temperature of the ICM, the mean free paths of ICM electrons…

High Energy Astrophysical Phenomena · Physics 2017-05-31 Rukmani Vijayaraghavan , Craig Sarazin

We study the formation of clusters of galaxies using high-resolution hydrodynamic cosmological simulations that include the effect of thermal conduction with an effective isotropic conductivity of 1/3 the classical Spitzer value. We find…

Astrophysics · Physics 2009-11-10 K. Dolag , M. Jubelgas , V. Springel , S. Borgani , E. Rasia

We examine the role of thermal conduction and magnetic fields in cores of galaxy clusters through global simulations of the intracluster medium (ICM). In particular, we study the influence of thermal conduction, both isotropic and…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-29 Baban Wagh , Prateek Sharma , Michael McCourt

Supernova explosions and their remnants (SNRs) drive important feedback mechanisms that impact considerably the galaxies that host them. Then, the knowledge of the SNRs evolution is of paramount importance in the understanding of the…

Astrophysics of Galaxies · Physics 2019-06-26 Santiago Jimenez , Guillermo Tenorio-Tagle , Sergiy Silich

The mixed morphology class of supernova remnants has centrally peaked X-ray emission along with a shell-like morphology in radio emission. White & Long proposed that these remnants are evolving in a cloudy medium wherein the clouds are…

High Energy Astrophysical Phenomena · Physics 2017-09-13 Jonathan D. Slavin , Randall K. Smith , Adam Foster , Henry D. Winter , John C. Raymond , Patrick O. Slane , Hiroya Yamaguchi

Motivated by observations of multiphase galaxy outflows, we explore the impact of isotropic and anisotropic electron thermal conduction on the evolution of radiatively-cooled, cold clouds embedded in hot, magnetized winds. Using the…

Astrophysics of Galaxies · Physics 2023-08-02 M. Brüggen , E. Scannapieco , P. Grete

Evolution of adiabatic remnants of an aspherical supernova explosion in uniform medium are considered. Thermal X-ray emission of such remnants are investigated. It is shown that integral thermal X-ray characteristics (X-ray luminosity and…

Astrophysics · Physics 2007-05-23 O. Petruk

In weakly collisional, strongly magnetised plasmas such as the intracluster medium (ICM), hot accretion flows and the solar corona, the transport of heat and momentum occurs primarily along magnetic field lines. In this paper we present a…

Galaxy clusters contain a hot, diffuse, and weakly magnetized plasma known as the intracluster medium (ICM). In this environment, how thermal conduction influences plasma dynamics and the conditions under which it operates efficiently…

High Energy Astrophysical Phenomena · Physics 2026-05-11 Nana Matsuno , Takaaki Yokoyama , Mami Machida
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