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We investigate the generation of galactic outflows by supernova feedback in the context of SPH cosmological simulations. We use a modified version of the code GADGET-2 which includes chemical enrichment and energy feedback by Supernova. We…

The accretion of material onto young protostars is accompanied by the launching of outflows. Observations show that accretion, and therefore also outflows, are episodic. However, the effects of episodic outflow feedback on the core-scale…

Solar and Stellar Astrophysics · Physics 2020-09-25 P. F. Rohde , S. Walch , S. D. Clarke , D. Seifried , A. P. Whitworth , A. Klepitko

We investigate how explosions of aspherical supernovae (A-SNe) can influence star formation histories and chemical evolution of dwarf galaxies by using a new chemodynamical model. We mainly present the numerical results of two comparative…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Kenji Bekki , Toshikazu Shigeyama , Takuji Tsujimoto

We use cosmological simulations to assess how the explosion of the first stars in supernovae (SNe) influences early cosmic history. Specifically, we investigate the impact by SNe on the host systems for Population~III (Pop~III) star…

Astrophysics of Galaxies · Physics 2015-06-22 Myoungwon Jeon , Andreas H. Pawlik , Volker Bromm , Milos Milosavljevic

We use magnetohydrodynamical simulations of converging warm neutral medium flows to analyse the formation and global evolution of magnetised and turbulent molecular clouds subject to supernova feedback from massive stars. We show that…

Astrophysics of Galaxies · Physics 2016-04-27 Bastian Körtgen , Daniel Seifried , Robi Banerjee , Enrique Vázquez-Semadeni , Manuel Zamora-Avilés

Stellar feedback influences the star formation rate (SFR) and the interstellar medium of galaxies in ways that are difficult to quantify numerically, because feedback is an essential ingredient of realistic simulations. To overcome this, we…

In recent years, several analytic models have demonstrated that simple assumptions about halo growth and feedback-regulated star formation can match the (limited) existing observational data on galaxies at z>6. By extending such models, we…

Astrophysics of Galaxies · Physics 2022-02-16 Steven R. Furlanetto , Jordan Mirocha

Recent observations of supernovae (SNe) just after the explosion suggest that a good fraction of SNe have the confined circumstellar material (CSM) in the vicinity, and the pre-SN enhanced mass loss may be a common property. The physical…

High Energy Astrophysical Phenomena · Physics 2019-06-05 Ryoma Ouchi , Keiichi Maeda

Stellar winds and supernova (SN) explosions of massive stars ("stellar feedback") create bubbles in the interstellar medium (ISM) and insert newly produced heavy elements and kinetic energy into their surroundings, possibly driving…

Supernovae (SN), the most energetic stellar feedback mechanism, are crucial for regulating the interstellar medium (ISM) and launching galactic winds. We explore how supernova remnants (SNRs) create a multiphase medium by performing 3D…

Astrophysics of Galaxies · Physics 2015-11-18 Miao Li , Jeremiah P. Ostriker , Renyue Cen , Greg L. Bryan , Thorsten Naab

The first-generation stars in the $\Lambda$CDM universe are considered to have formed in dark halos with total masses in the range $\sim 10^{5}-10^{7}M_sun$ at $z \sim 20-50$. These stars expected to be very massive and in some cases they…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 Masaru Sakuma , Hajime Susa

The interplay of star formation and supernova (SN) feedback in galaxy formation is a key element for understanding galaxy evolution. Since these processes occur at small scales, it is necessary to have sub-grid models that recover their…

Astrophysics of Galaxies · Physics 2022-09-15 Arturo Nuñez-Castiñeyra , Emmanuel Nezri , Julien Devriendt , Romain Teyssier

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

We investigated the impact of supernova feedback in gas-rich dwarf galaxies experiencing a low-to-moderate star formation rate, typical of relatively quiescent phases between starbursts. We calculated the long term evolution of the ISM and…

Astrophysics of Galaxies · Physics 2015-06-23 C. Melioli , F. Brighenti , A. D'Ercole

The iron mass in galaxy clusters is about 6 times larger than could have been produced by core-collapse supernovae (SNe), assuming the stars in the cluster formed with a standard initial mass function (IMF). SNe Ia have been proposed as the…

Astrophysics · Physics 2009-11-10 Dan Maoz , Avishay Gal-Yam

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

Context. The duration of star formation (SF) in globular clusters (GCs) is an essential aspect for understanding their formation. Contrary to previous presumptions that all stars above 8 M explode as core-collapse supernovae (CCSNe), recent…

Astrophysics of Galaxies · Physics 2024-10-18 Henriette Wirth , Jaroslav Haas , Ladislav Šubr , Tereza Jerabkova , Zhiqiang Yan , Pavel Kroupa

Mass loss from massive stars ($\ga 8 \msun$) can result in the formation of circumstellar wind blown cavities surrounding the star, bordered by a thin, dense, cold shell. When the star explodes as a core-collapse supernova (SN), the…

Astrophysics · Physics 2009-11-10 Vikram V. Dwarkadas

Many Type II supernovae (SNe) show hot early (~30 days) emission, and a diversity in their light curves extending from the Type IIP to the Type IIL, which can be explained by interaction with dense and confined circumstellar material (CSM).…

High Energy Astrophysical Phenomena · Physics 2020-03-18 Viktoriya Morozova , Anthony L. Piro , Jim Fuller , Schuyler D. Van Dyk

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