Results 11 to 20 of about 2,730,798 (330)

Chemical element transport in stellar evolution models [PDF]

open access: yesRoyal Society Open Science, 2017
Stellar evolution computations provide the foundation of several methods applied to study the evolutionary properties of stars and stellar populations, both Galactic and extragalactic.
Maurizio Salaris, Santi Cassisi
doaj   +4 more sources

The evolution of CNO isotopes: a new window on cosmic star formation history and the stellar IMF in the age of ALMA [PDF]

open access: green, 2017
We use state-of-the-art chemical models to track the cosmic evolution of the CNO isotopes in the interstellar medium of galaxies, yielding powerful constraints on their stellar initial mass function (IMF). We re-assess the relative roles of massive stars,
D. Romano   +4 more
openalex   +3 more sources

A Semi-analytical Model for Stellar Evolution in AGN Disks [PDF]

open access: greenThe Astrophysical Journal
Disks of gas accreting onto supermassive black holes may host numerous stellar-mass objects, formed within the disk or captured from a nuclear star cluster.
Alexander J. Dittmann, Matteo Cantiello
doaj   +2 more sources

Stellar evolution [PDF]

open access: hybridProceedings of XIII Nuclei in the Cosmos — PoS(NIC XIII), 2015
Raphaël Hirschi
openaire   +2 more sources

FIRE-3: Updated stellar evolution models, yields, & microphysics and fitting functions for applications in galaxy simulations [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2022
Increasingly, uncertainties in predictions from galaxy formation simulations (at sub-Milky Way masses) are dominated by uncertainties in stellar evolution inputs. In this paper, we present the full set of updates from the FIRE-2 version of the Feedback
P. Hopkins   +21 more
semanticscholar   +1 more source

Stellar evolution confronts axion models [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2021
Axion production from astrophysical bodies is a topic in continuous development, because of theoretical progress in the estimate of stellar emission rates and, especially, because of improved stellar observations. We carry out a comprehensive analysis of
Luca Di Luzio   +4 more
semanticscholar   +1 more source

The SPOTS Models: A Grid of Theoretical Stellar Evolution Tracks and Isochrones for Testing the Effects of Starspots on Structure and Colors [PDF]

open access: yesAstrophysical Journal, 2020
One-dimensional stellar evolution models have been successful at representing the structure and evolution of stars in diverse astrophysical contexts, but complications have been noted in the context of young, magnetically active stars, as well as close ...
G. Somers, L. Cao, M. Pinsonneault
semanticscholar   +1 more source

A new 12C+12C reaction rate: Impact on stellar evolution [PDF]

open access: yesEPJ Web of Conferences, 2023
Among the reactions driving stellar evolution during carbon burning, 12C + 12C fusion provides the key ingredients. This system reveals many resonances, but also regions with suppressed fusion cross-sections.
Monpribat E.   +13 more
doaj   +1 more source

Stellar Structure and Evolution

open access: yesFundamentals of Astrophysics, 2021
These lecture notes are intended for an advanced astrophysics course on Stellar Structure and Evolution given at Utrecht University (NS-AP434M). Their goal is to provide an overview of the physics of stellar interiors and its application to the theory of
Michael Perryman
semanticscholar   +1 more source

Stellar Evolution in AGN Disks [PDF]

open access: yesAstrophysical Journal, 2020
Active galactic nuclei (AGNs) are powered by geometrically thin accretion disks surrounding a central supermassive black hole. Here we explore the evolution of stars embedded in these extreme astrophysical environments (AGN stars).
M. Cantiello, A. Jermyn, D. Lin
semanticscholar   +1 more source

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