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Related papers: Long-Term Evolution of Supernova Remnants in Magne…

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The observational signature of supernova remnants (SNRs) is very complex, in terms of both their geometrical shape and their spectral properties, dominated by non-thermal synchrotron and inverse-Compton scattering. We propose a…

Solar and Stellar Astrophysics · Physics 2014-11-14 M. Obergaulinger , J. Ma. Chimeno , P. Mimica , M. A. Aloy , A. Iyudin

We briefly reviewed some recent progress on the studies of supernova remnants (SNRs), including the radio SNRs (the structure, polarization, spectrum etc.), observational characteristics of X-ray emission, pulsar wind nebulae (PWNe),…

High Energy Astrophysical Phenomena · Physics 2009-09-03 Jian-Wen Xu

Recent observations have revealed that dust is widespread and abundant in galaxies up to $z\,{\backsimeq}\,8$, significantly influencing their appearance and spectral properties. In the early Universe, dust is thought to form primarily in…

Astrophysics of Galaxies · Physics 2025-09-16 He Zhao , Bingqiu Chen , Jun Li

Magnetic fields play a very important role in the evolution of galaxies through their direct impact on star formation and stellar feedback-induced turbulence. However, their co-evolution with these processes has still not been thoroughly…

Astrophysics of Galaxies · Physics 2018-11-14 Evangelia Ntormousi

We explore the formation of superbubbles through energy deposition by multiple supernovae (SNe) in a uniform medium. We use total energy conserving, 3-D hydrodynamic simulations to study how SNe correlated in space and time create…

High Energy Astrophysical Phenomena · Physics 2017-06-21 Naveen Yadav , Dipanjan Mukherjee , Prateek Sharma , Biman B. Nath

We explore the morphology of Type Ia supernova remnants (SNRs) using three-dimensional hydrodynamics modeling and an exponential density profile. Our model distinguishes ejecta from the interstellar medium (ISM), and tracks the ionization…

Astrophysics of Galaxies · Physics 2015-06-11 D. C. Warren , J. M. Blondin

In supernova remnants, the nonlinear amplification of magnetic fields upstream of collisionless shocks is essential for the acceleration of cosmic rays to the energy of the "knee" at 10^{15.5}eV. A nonresonant instability driven by the…

Astrophysics · Physics 2014-11-18 Yutaka Ohira , Brian Reville , John G. Kirk , Fumio Takahara

We investigate the evolution of dust formed in Population III supernovae (SNe) by considering its transport and processing by sputtering within the SN remnants (SNRs). We find that the fates of dust grains within SNRs heavily depend on…

The presence of superconducting and superfluid components in the core of mature neutron stars calls for the rethinking of a number of key magnetohydrodynamical notions like resistivity, the induction equation, magnetic energy and…

Solar and Stellar Astrophysics · Physics 2015-08-26 Vanessa Graber , Nils Andersson , Kostas Glampedakis , Samuel K. Lander

Observations have suggested substantial departures from pressure equilibrium in the interstellar medium (ISM) in the plane of the Galaxy, even on scales under 50 pc. Nevertheless, multi-phase models of the ISM assume at least locally…

Astrophysics · Physics 2007-05-23 Mordecai-Mark Mac Low , Dinshaw Balsara , Miguel A. Avillez , Jongsoo Kim

We investigate the influence of magnetic fields on the evolution of binary neutron-star (BNS) merger remnants via three-dimensional (3D) dynamical-spacetime general-relativistic (GR) magnetohydrodynamic (MHD) simulations. We evolve a…

High Energy Astrophysical Phenomena · Physics 2020-10-29 Philipp Mösta , David Radice , Roland Haas , Erik Schnetter , Sebastiano Bernuzzi

The study of supernova remnants (SNRs) is fundamental to understanding the chemical enrichment and magnetism in galaxies, including our own Milky Way. In an effort to understand the connection between the morphology of SNRs and the Galactic…

Astrophysics of Galaxies · Physics 2016-03-09 J. L. West , S. Safi-Harb , T. Jaffe , R. Kothes , T. L. Landecker , T. Foster

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

Magnetic fields are widely observed in the Universe in virtually all astrophysical objects, from individual stars to entire galaxies, even in the intergalactic medium, but their specific generation has long been debated. Due to the…

Astrophysics of Galaxies · Physics 2017-11-08 Michael Rieder , Romain Teyssier

The interaction between a pulsar wind nebula (PWN) and its host supernova remnant (SNR) can produce a vast array of observable structures. Asymmetry present within these structures derives from the complexity of the composite system, where…

High Energy Astrophysical Phenomena · Physics 2017-07-26 Christopher Kolb , John Blondin , Patrick Slane , Tea Temim

This work aims at studying how magnetic fields affect the observational properties and the long-term evolution of isolated neutron stars, which are the strongest magnets in the universe. The extreme physical conditions met inside these…

High Energy Astrophysical Phenomena · Physics 2013-10-07 Daniele Viganò

The impact of the magnetic field on postbounce supernova dynamics of non-rotating stellar cores is studied by performing three-dimensional magnetohydrodynamics simulations with spectral neutrino transport. The explodability of strongly and…

High Energy Astrophysical Phenomena · Physics 2022-08-19 Jin Matsumoto , Yuta Asahina , Tomoya Takiwaki , Kei Kotake , Hiroyuki R. Takahashi

We extend our investigation of magnetic field evolution in three-dimensional flows driven by the stationary accretion shock instability (SASI) with a suite of higher-resolution idealized models of the post-bounce core-collapse supernova…

We present high resolution spherically symmetric relativistic magnetohydrodynamical simulations of the evolution of a pulsar wind nebula inside the free expanding ejecta of the supernova progenitor. The evolution is followed starting from a…

Astrophysics · Physics 2009-11-10 N. Bucciantini , R. Bandiera , J. M. Blondin , E. Amato , L. Del Zanna

A rapidly rotating and highly magnetized neutron star (NS) could be formed from the explosive phenomena such as superluminous supernovae and gamma-ray bursts. This newborn NS can substantially influence the emission of these explosive…

High Energy Astrophysical Phenomena · Physics 2021-02-10 Shao-Ze Li , Yun-Wei Yu , He Gao , Bing Zhang