English
Related papers

Related papers: Simulated Observations of Multiphase Galactic Wind…

200 papers

Recent numerical simulations of the interstellar medium driven by energy input from supernovae and stellar winds indicate that HI clouds can be formed by compression in shock waves and colliding turbulent streams without any help from…

Astrophysics · Physics 2007-05-23 Anvar Shukurov

Galactic winds exhibit a multiphase structure that consists of hot-diffuse and cold-dense phases. Here we present high-resolution idealised simulations of the interaction of a hot supersonic wind with a cold cloud with the moving-mesh code…

Astrophysics of Galaxies · Physics 2018-11-28 Martin Sparre , Christoph Pfrommer , Mark Vogelsberger

We performed a suit of three-dimensional hydrodynamical simulations with a resolution of $\sim10$ parsecs to investigate the development of multiphase galactic wind in M82. The star formation and related feedback processes are solved…

Astrophysics of Galaxies · Physics 2025-03-17 Xue-Fu Li , Weishan Zhu , Tian-Rui Wang , Long-Long Feng

We have developed a new scheme to treat a multiphase interstellar medium in smoothed particle hydrodynamics simulations of galaxy formation. This scheme can represent a co-spatial mixture of cold and hot ISM components, and is formulated…

The interaction between inflowing gas clouds and galactic outflows at the interface where the galactic disk transitions into the circumgalactic medium is an important process in galaxy fueling, yet remains poorly understood. Using a series…

Astrophysics of Galaxies · Physics 2019-02-20 Nicole Melso , Greg L. Bryan , Miao Li

2D axis-symmetric hydrodynamical simulations are presented which explore the interaction of stellar and disk winds with surrounding infalling cloud material. The star, and its accompanying disk, blow winds inside a cavity cleared out by an…

High Energy Astrophysical Phenomena · Physics 2015-05-13 E. R. Parkin , J. M. Pittard , M. G. Hoare , N. J. Wright , J. J. Drake

Using reconstructed initial conditions in the SDSS survey volume, we carry out constrained hydrodynamic simulations in three regions representing different types of the cosmic web: the Coma cluster of galaxies; the SDSS great wall; and a…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-08 Renjie Li , Huiyuan Wang , H. J. Mo , Shuiyao Huang , Neal Katz , Xiong Luo , Weiguang Cui , Hao Li , Xiaohu Yang , Ning Jiang , Yuning Zhang

The winds from a non-accreting pulsar and a massive star in a binary system collide forming a bow-shaped shock structure. The Coriolis force induced by orbital motion deflects the shocked flows, strongly affecting their dynamics. We study…

High Energy Astrophysical Phenomena · Physics 2015-06-04 V. Bosch-Ramon , M. V. Barkov , D. Khangulyan , M. Perucho

Supernovae are known to be the dominant energy source for driving turbulence in the interstellar medium. Yet, their effect on magnetic field amplification in spiral galaxies is still poorly understood. Previous analytical models, based on…

Astrophysics · Physics 2009-11-13 Oliver Gressel , Detlef Elstner , Udo Ziegler , Günther Rüdiger

We have used the vectorised and parallelised magnetohydrodynamics code NIRVANA on the NEC SX-5 and the new SX-6 installation in parallel mode to simulate the interaction of jets with a galactic wind that might be typical for the…

Astrophysics · Physics 2007-05-23 Martin Krause , Max Camenzind

This work is the continuation of a series attempting to characterize the local warm ionized medium through both static and time dependent simulations. We build upon our three dimensional, observationally-derived simulation of the local…

Astrophysics of Galaxies · Physics 2025-06-24 Lewis McCallum , Kenneth Wood , Robert Benjamin , Dhanesh Krishnarao , Anna F. McLeod

Multiphase gas -- ranging from cold molecular clouds ($\lesssim 100\,$K) to hot, diffuse plasma ($\gtrsim 10^6\,$K) is a defining feature of the interstellar, circumgalactic, intracluster, and intergalactic media. Accurately simulating its…

Astrophysics of Galaxies · Physics 2026-01-26 Max Gronke , Evan Schneider

The formation of galaxies is significantly influenced by galactic winds, possibly driven by cosmic rays due to their long cooling times and better coupling to plasma compared to radiation. In this study, we compare the radio observations of…

Astrophysics of Galaxies · Physics 2024-10-04 H. -H. Sandy Chiu , Mateusz Ruszkowski , Timon Thomas , Maria Werhahn , Christoph Pfrommer

Our three-dimensional hydro-dynamical simulations of starbursts examine the formation of superbubbles over a range of driving luminosities and mass loadings that determine superbubble growth and wind velocity. From this we determine the…

Astrophysics of Galaxies · Physics 2016-08-19 Ryan Tanner , Gerald Cecil , Fabian Heitsch

Gas blown away from galactic disks by supernova (SN) feedback plays a key role in galaxy evolution. We investigate outflows utilizing the solar neighborhood model of our high-resolution, local galactic disk simulation suite, TIGRESS. In our…

Astrophysics of Galaxies · Physics 2018-02-21 Chang-Goo Kim , Eve C. Ostriker

We present a pilot program using IRAM's NOrthern Extended Millimeter Array (NOEMA) to probe the molecular gas reservoirs of six $z=0.6-1.1$ star-forming galaxies whose circumgalactic medium has been observed in absorption along quasar…

We investigate the interaction between a shock-driven hot wind and a cold multi-cloud layer, for conditions commonly found in interstellar and circumgalactic gas. We present a method for identifying distinct clouds using a…

We present two-dimensional hydrodynamical simulations of both jet- and wind-driven models for protostellar outflows in order to make detailed comparisons to the kinematics of observed molecular outflows. Comparing the different simulations…

Astrophysics · Physics 2009-11-06 Chin-Fei Lee , James M. Stone , Eve C. Ostriker , Lee G. Mundy

We present the fifth simulation in the CGOLS project -- a set of isolated starburst galaxy simulations modeled over large scales ($10\kpc$) at uniformly high resolution ($\Delta x \approx 5\pc$). Supernova feedback in this simulation is…

Astrophysics of Galaxies · Physics 2024-02-21 Evan E. Schneider , S. Alwin Mao

We present a semi-analytic treatment of galactic winds within high resolution, large scale cosmological N-body simulations of a LCDM Universe. The evolution of winds is investigated by following the expansion of supernova driven…

Astrophysics · Physics 2009-09-25 Serena Bertone , Felix Stoehr , Simon D. M. White