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Metallicity is a fundamental physical property that strongly constrains galaxy formation and evolution. The formation of stars in galaxies is suppressed by the energy released from supernova explosions and can be enhanced by metal…

Astrophysics of Galaxies · Physics 2023-10-26 Dyna Ibrahim , Chiaki Kobayashi

The density structure surrounding the iron core of a massive star when it dies is known to have a major effect on whether or not the star explodes. Here we repeat previous surveys of presupernova evolution with some important corrections to…

High Energy Astrophysical Phenomena · Physics 2018-06-27 Tuguldur Sukhbold , Stan Woosley , Alexander Heger

We review potential mass-loss mechanisms in the various evolutionary stages of massive stars, from the well-known line-driven winds of O-stars and BA-supergiants to the less-understood winds from Red Supergiants. We discuss optically thick…

Solar and Stellar Astrophysics · Physics 2015-06-22 J. Puls , J. O. Sundqvist , N. Markova

The evolution and explosion of metal-free stars with masses 10--100 solar masses are followed, and their nucleosynthetic yields, light curves, and remnant masses determined. When the supernova yields are integrated over a Salpeter initial…

Astrophysics · Physics 2011-02-11 Alexander Heger , S. E. Woosley

Massive stars (with mass m_* > 8 solar masses) are fundamental to the evolution of galaxies, because they produce heavy elements, inject energy into the interstellar medium, and possibly regulate the star formation rate. The individual star…

Astrophysics · Physics 2015-06-24 Christopher F. McKee , Jonathan C. Tan

At very low metallicity, the effects of differential rotation have a more important impact on the evolution of stars than at high metallicity. Rotational mixing leads to the production of great quantities of helium and of primary $^{14}$N…

Astrophysics · Physics 2007-05-23 Georges Meynet , Raphael Hirschi , Sylvia Ekstrom , Andre Maeder

Massive stars can shed material via steady, line-driven winds, eruptive outflows, or mass-transfer onto a binary companion. In the case of single stars, the mass is deposited by the stellar wind into the nearby environment. After the…

High Energy Astrophysical Phenomena · Physics 2021-06-23 Taylor Jacovich , Daniel Patnaude , Pat Slane , Carles Badenes , Shiu-Hang Lee , Shigehiro Nagataki , Dan Milisavljevic

Massive stars can exhibit giant eruptions with high mass loss shortly before their explosion as a core-collapse Supernova. These multiple giant eruptions (MGEs) may have a commutative effect that brings the star to a different state,…

Solar and Stellar Astrophysics · Physics 2025-11-18 Bhawna Mukhija , Amit Kashi

Massive stars are essential to understand a variety of branches of astronomy including galaxy and star cluster evolution, nucleosynthesis and supernovae, pulsars and black holes. It has become evident that massive star evolution is very…

Solar and Stellar Astrophysics · Physics 2012-12-13 N. Langer

We review some important observed properties of massive stars. Then we discuss how mass loss and rotation affect their evolution and help in giving better fits to observational constraints. Consequences for nucleosynthesis at different…

Astrophysics · Physics 2009-11-13 Georges Meynet

Rotation and mass loss are crucially interlinked properties of massive stars, strongly affecting their evolution and ultimate fate. Massive stars rotating near their breakup limit shed mass centrifugally, creating Be stars with…

Solar and Stellar Astrophysics · Physics 2020-05-06 Xihui Zhao , Jim Fuller

One of the most dramatic possible consequences of stellar rotation is its influence on stellar death, particularly of massive stars. If the angular momentum of the iron core when it collapses is such as to produce a neutron star with a…

Astrophysics · Physics 2007-05-23 S. E. Woosley , A. Heger

Theory holds that a star born with an initial mass between about 8 and 140 times the mass of the Sun will end its life through the catastrophic gravitational collapse of its iron core to a neutron star or black hole. This core collapse…

Solar and Stellar Astrophysics · Physics 2015-05-20 Douglas C. Leonard

We examine self-consistent parameterizations of the high-mass stellar population and resulting feedback, including mechanical, radiative, and chemical feedback, as we understand them locally. To date, it appears that the massive star…

Astrophysics · Physics 2007-05-23 M. S. Oey , C. J. Clarke

As a star evolves off the Main Sequence, it endures major structural changes that are capable of determining the fate of the planets orbiting it. Throughout its evolution along the Red Giant Branch, the star increases its radius by two…

Earth and Planetary Astrophysics · Physics 2015-05-27 Eva Villaver

Although much is known about the nature of winds from hot stars and giants and supergiants with spectral types earlier than K, there is still much to be learned regarding the mass-loss process in cool, late-type stars. We will review the…

Astrophysics · Physics 2008-03-13 Brian Espey , Cian Crowley

The chemical enrichment of the Universe; the mass spectrum of planetary nebulae, white dwarfs and gravitational wave progenitors; the frequency distribution of Type I and II supernovae; the fate of exoplanets ... a multitude of phenomena…

Solar and Stellar Astrophysics · Physics 2021-10-05 Leen Decin

Massive and intermediate mass stars play a crucial role in astrophysics. Indeed, massive stars are the main producers of heavy elements, explode in supernovae at the end of their short lifetimes, and may be the progenitors of gamma ray…

Solar and Stellar Astrophysics · Physics 2015-10-21 Daniel R. Reese

We have run direct N-body simulations to investigate the impact of stellar evolution and dynamics on the structural properties of young massive (3x10^4 solar masses) star clusters (SCs) with different metallicities (Z=1, 0.1, 0.01 solar…

Astrophysics of Galaxies · Physics 2015-06-22 Alessandro A. Trani , Michela Mapelli , Alessandro Bressan

Mass is constantly being recycled in the universe. One of the most powerful recycling paths is via stellar mass-loss. All stars exhibit mass loss with rates ranging from ~10(-14) to 10(-4) M(sun) yr-1, depending on spectral type, luminosity…