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Modelling the propagation of supernova (SN) bubbles, in terms of energy, momentum and spatial extent, is critical for simulations of galaxy evolution which do not capture these scales. To date, small scale models of SN feedback predict that…

Astrophysics of Galaxies · Physics 2019-03-20 Loke Ohlin , Florent Renaud , Oscar Agertz

We present the results of three-dimensional special relativistic hydrodynamic simulations of supernova ejecta with a powerful central energy source. We assume spherical supernova ejecta freely expanding with the initial kinetic energy of…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Akihiro Suzuki , Keiichi Maeda

The importance of the interstellar magnetic field is studied in relation to the evolutions of superbubbles with a three-dimensional (3D) numerical magnetohydrodynamical (MHD) simulation. A superbubble is a large supernova remnant driven by…

Astrophysics · Physics 2009-10-30 Kohji Tomisaka

The expansion and collision of two wind-blown superbubbles is investigated numerically. Our models go beyond previous simulations of molecular cloud formation from converging gas flows by exploring this process with realistic flow…

Astrophysics of Galaxies · Physics 2015-05-20 Evangelia Ntormousi , Andreas Burkert , Katharina Fierlinger , Fabian Heitsch

The deposition of energy and momentum by supernova explosions has been subject to numerous studies in the past few decades. However, while there has been some work that focused on the transition from the adiabatic to the radiative stage of…

Astrophysics of Galaxies · Physics 2024-04-18 Leonard E. C. Romano , Manuel Behrendt , Andreas Burkert

We simulate the effects of massive star feedback, via winds and SNe, on inhomogeneous molecular material left over from the formation of a massive stellar cluster. We use 3D hydrodynamic models with a temperature dependent average particle…

Astrophysics of Galaxies · Physics 2012-09-25 Julian Pittard , Hazel Rogers

We present a new stellar feedback model that reproduces superbubbles. Superbubbles from clustered young stars evolve quite differently to individual supernovae and are substantially more efficient at generating gas motions. The essential…

Astrophysics of Galaxies · Physics 2014-07-17 B. W. Keller , J. Wadsley , S. M. Benincasa , H. M. P Couchman

Energetic winds and radiation from massive star clusters push the surrounding gas and blow superbubbles in the interstellar medium (ISM). Using 1-D hydrodynamic simulations, we study the role of radiation in the dynamics of superbubbles…

Astrophysics of Galaxies · Physics 2016-08-17 Siddhartha Gupta , Biman B. Nath , Prateek Sharma , Yuri Shchekinov

The decrease rate of dust mass due to strong shock waves ($v_s\geq 150$ km s$^{-1}$) from supernovae (SNe) estimated for the Milky Way interstellar medium significantly exceeds the overall production rate by both asymptotic giant branch…

Astrophysics of Galaxies · Physics 2024-09-04 Svyatoslav Yu. Dedikov , Evgenii O. Vasiliev

Following the current debate on the fate of SN-condensed dust grains, here we explore by means of three-dimensional hydrodynamical simulations the interaction of dusty supernova remnants (SNRs) with the shocked winds of neighboring massive…

We review here the effects of supernovae (SNe) explosions on the environment of star-forming galaxies. Randomly distributed, clustered SNe explosions cause the formation of hot superbubbles that drive either galactic fountains or supersonic…

Astrophysics · Physics 2008-11-04 E. M. de Gouveia Dal Pino , C. Melioli , A. D'Ercole , F. Brighenti , A. Raga

Type II supernovae (SNe), probably the most important contributors to stellar feedback in galaxy formation, explode within the very dense star-forming clouds, where the injected energy is most easily radiated away. The efficiency of type II…

Astrophysics · Physics 2009-11-10 Pierluigi Monaco

Supernova (SN) explosions deposit prodigious energy and momentum in their environments, with the former regulating multiphase thermal structure and the latter regulating turbulence and star formation rates in the interstellar medium (ISM).…

Astrophysics of Galaxies · Physics 2015-06-23 Chang-Goo Kim , Eve C. Ostriker

We model SNRs at a variety of heights above the disk. Our detailed numerical simulations include non-equilibrium ionization and recombination and follow the remnants' evolution until their hot bubbles have cooled. We analytically calculate…

Astrophysics · Physics 2009-11-13 R. L. Shelton

We consider the size distribution of superbubbles in a star forming galaxy. Previous studies have tried to explain the distribution by using adiabatic self-similar evolution of wind driven bubbles, assuming that bubbles stall when pressure…

Astrophysics of Galaxies · Physics 2020-04-23 Biman B Nath , Pushpita Das , M. S. Oey

Interstellar superbubbles generated by multiple supernova explosions are common in star-forming galaxies. They are the most obvious manifestation of mechanical feedback, and are largely responsible for transferring both thermal and kinetic…

Astrophysics · Physics 2009-11-13 M. S. Oey

We compute the production of cosmic rays in the dynamical superbubble produced by a cluster of massive stars. Stellar winds, supernova remnants and turbulence are found to accelerate particles so efficiently that the nonlinear feedback of…

High Energy Astrophysical Phenomena · Physics 2022-03-09 Thibault Vieu , Stefano Gabici , Vincent Tatischeff , Sruthiranjani Ravikularaman

Supernovae (SN) explosions are thought to be an important source of dust in galaxies. At the same time strong shocks from SNe are known as an efficient mechanism of dust destruction via thermal and kinetic sputtering. A critically important…

Astrophysics of Galaxies · Physics 2023-12-11 Evgenii O. Vasiliev , Yuri A. Shchekinov

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

Galactic-scale simulations rely on sub-grid models to provide prescriptions for the coupling between supernova (SN) feedback and the interstellar medium (ISM). Many of these models are computed in 1-D to allow for an efficient way to…

Astrophysics of Galaxies · Physics 2025-04-16 Cheryl S. C. Lau , Ian A. Bonnell