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By means of 3D hydrodynamic simulations, we study how Type Ia supernovae (SNe) explosions affect the star formation history and the chemical properties of second generation (SG) stars in globular clusters (GC). SG stars are assumed to form…

Astrophysics of Galaxies · Physics 2021-08-18 Elena Lacchin , Francesco Calura , Enrico Vesperini

We study the evolution of isolated and merging interstellar bubbles of three stars (25, 32 and 60 M\odot) in a homogeneous background medium with a density of 10 mp /ccm via 3D-hydrodynamic simulations with standard ISM thermodynamics…

Astrophysics of Galaxies · Physics 2015-06-05 Martin Krause , Katharina Fierlinger , Roland Diehl , Andreas Burkert , Rasmus Voss , Udo Ziegler

We examine the effects of ionization, radiation pressure and main sequence winds from massive stars on self-gravitating, clumpy molecular clouds, thereby modeling the formation and pre-supernova feedback of massive star clusters. We find…

Astrophysics · Physics 2007-05-23 Jonathan C. Tan , Christopher F. McKee

We propose that synchronized triggering of star formation in gas-rich galaxies is possible during major mergers of cluster of galaxies, based on new numerical simulations of the time evolution of the physical properties of the intracluster…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Kenji Bekki , Matt S. Owers , Warrick J. Couch

Recent observational studies of the age distribution of star clusters in nearby merging galaxies and starburst (SB) galaxies indicate a premature death of the young clusters. The fate of an evolving star cluster crucially depends of its gas…

Astrophysics · Physics 2009-11-11 C. Melioli , E. M. de Gouveia Dal Pino

We present the results of a variety of simulations concerning the evolution of multiphase (inhomogeneous) hot interstellar medium (ISM) in elliptical galaxies. We assume the gases ejected from stars do not mix globally with the…

Astrophysics · Physics 2009-10-30 Yutaka Fujita , Junji Fukumoto , Katsuya Okoshi

Energy and momentum feedback from stars is a key element of models for galaxy formation and interstellar medium dynamics, but resolving the relevant length scales to directly include this feedback remain out of reach of current-generation…

Astrophysics of Galaxies · Physics 2024-10-10 Yvonne A. Fichtner , Jonathan Mackey , Luca Grassitelli , Emilio Romano-Díaz , Cristiano Porciani

Feedback from supernovae is essential to understanding the self-regulation of star formation in galaxies. However, the efficacy of the process in a cosmological context remains unclear due to excessive radiative losses during the shock…

Astrophysics of Galaxies · Physics 2015-06-04 Taysun Kimm , Renyue Cen , Julien Devriendt , Yohan Dubois , Adrianne Slyz

We model the formation of star clusters in a dwarf galaxy progenitor during the first $700 ~{\rm Myr}$ of cosmic history using a cosmological radiation-hydrodynamic simulation with a sub-grid star formation efficiency (SFE) model calibrated…

Astrophysics of Galaxies · Physics 2025-10-03 Fred Angelo Batan Garcia , Massimo Ricotti , Kazuyuki Sugimura

Some stars are known to explode at the end of their lives, called supernovae (SNe). The substantial amount of matter and energy that SNe release provides significant feedback to star formation and gas dynamics in a galaxy. SNe release a…

Astrophysics of Galaxies · Physics 2023-11-16 Keiya Hirashima , Kana Moriwaki , Michiko S. Fujii , Yutaka Hirai , Takayuki R. Saitoh , Junichiro Makino , Shirley Ho

Feedback from massive stars is one of the least understood aspects of galaxy formation. We perform a suite of vertically stratified local interstellar medium (ISM) simulations in which supernova rates and vertical gas column densities are…

Astrophysics · Physics 2009-09-24 M. Ryan Joung , Mordecai-Mark Mac Low , Greg L. Bryan

We introduce the star formation and Supernova (SN) feedback model of the SATIN (Simulating AGNs Through ISM with Non-Equilibrium Effects) project to simulate the evolution of the star forming multi-phase interstellar medium (ISM) of entire…

Astrophysics of Galaxies · Physics 2023-06-28 Rebekka Bieri , Thorsten Naab , Sam Geen , Jonathan P. Coles , Rüdiger Pakmor , Stefanie Walch

Simulating the dust content of galaxies and their surrounding gas is challenging due to the wide range of physical processes affecting the dust evolution. Here we present cosmological hydrodynamical simulations of a cluster of galaxies,…

Astrophysics of Galaxies · Physics 2019-07-09 Mark Vogelsberger , Ryan McKinnon , Stephanie O'Neil , Federico Marinacci , Paul Torrey , Rahul Kannan

Following the observational and theoretical evidence that points at core collapse supernovae as major producers of dust, here we calculate the hydrodynamics of the matter reinserted within young and massive super stellar clusters under the…

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

Supernovae (SNe) drive multiphase galactic outflows, impacting galaxy formation; however, cosmological simulations mostly use \textit{ad hoc} feedback models for outflows, making outflow-related predictions from first principles…

Astrophysics of Galaxies · Physics 2020-03-04 Miao Li , Greg L. Bryan

The process of uniform supernovae explosions (SNe) is well investigated for all their types. However, observational data suggests that the SNe could be not spherically-symmetric. Modern multi-dimensional simulations of SNe demonstrate…

High Energy Astrophysical Phenomena · Physics 2022-02-16 I. Kalashnikov , A. Baranov , P. Chardonnet , V. Chechetkin , A. Filina

Until recently, simulations that modeled entire galaxies were restricted to an isothermal or fixed 2- or 3-phase interstellar medium (ISM). This obscured the full role of the ISM in shaping the observed galactic-scale star formation…

Astrophysics · Physics 2008-02-28 Elizabeth J. Tasker , Greg L. Bryan , Jonathan C. Tan

Supernova (SN) explosions play an important role in the development of galactic structures. The energy and momentum imparted on the interstellar medium (ISM) in so-called "supernova feedback" drives turbulence, heats the gas, enriches it…

Instrumentation and Methods for Astrophysics · Physics 2016-04-25 André-Patrick Bubel

Accurate modeling of supernova (SN) feedback in galaxy formation simulations is complicated by energy conservation violations arising from the vector nature of momentum injection. We present a mechanical feedback scheme addressing two key…

Astrophysics of Galaxies · Physics 2026-04-28 Takashi Okamoto
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