Results 81 to 90 of about 17,712 (190)
On the Nature of the Core of α Centauri A: The Impact of the Metallicity Mixture
Frontiers in Astronomy and Space Sciences, 2019 Forward asteroseismic modeling plays an important role toward a complete understanding of the physics taking place in deep stellar interiors. With a dynamical mass in the range over which models develop convective cores while in the main sequence, the ...
Benard Nsamba +9 more
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Anisotropic interior models with Kohler–Chao–Tikekar-like complexity factor
European Physical Journal C: Particles and FieldsThis work explores the construction of spherically symmetric models of stellar interiors by incorporating the null complexity factor (CF) as an additional constraint.
Abeer M. Albalahi +3 more
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EPJ Web of Conferences, 2017 Asteroseismology is a powerful tool for probing stellar interiors and determining stellar fundamental parameters. In the present work, we adopt the χ2-minimization method but only use the observed high-precision seismic observations (i.e., oscillation ...
Wu Tao, Li Yan
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Theoretical modeling of radiative proton capture in light nuclei of the carbon-nitrogen-oxygen cycle using a direct capture approach [PDF]
Ядерна фізика та енергетикаThe radiative proton capture reactions 12C(p, γ)13N, 14N(p, γ)15O, and 17O(p, γ)18F have been investigated within the framework of a direct capture model employing Woods - Saxon potentials.
A. A. Alzubadi, A. H. Hamade
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Fluid Mixing during Phase Separation in Crystallizing White Dwarfs
The Astrophysical JournalAccurate models of cooling white dwarfs must treat the energy released as their cores crystallize. This phase transition slows the cooling by releasing latent heat and also gravitational energy, which results from phase separation: liquid C is released ...
M. H. Montgomery, Bart H. Dunlap
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Asteroseismic Characterization of 142 Solar-like Oscillators Hosting Confirmed Exoplanets
The Astrophysical Journal Supplement SeriesWe present the largest catalog of exoplanet host stars with solar-like oscillations compiled to date, providing a powerful resource for refining stellar and planetary characterization via asteroseismology.
Wen-Xu Lin +8 more
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The Astrophysical JournalTayler instability of toroidal magnetic fields B _ϕ is broadly invoked as a trigger for turbulence and angular momentum transport in stars. This paper presents a systematic revision of the linear stability analysis for a rotating, magnetized, and stably ...
Valentin A. Skoutnev +1 more
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3D Simulations of Semiconvection in Spheres: Turbulent Mixing and Layer Formation
The Astrophysical JournalSemiconvection occurs in regions of stars and planets that are unstable to overturning convection according to the Schwarzschild criterion, but stable according to the Ledoux criterion.
J. R. Fuentes
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The Astrophysical JournalUnderstanding the transfer of mass and angular momentum in binary interactions is crucial for modeling the evolution of any interacting binary after the first mass-transfer phase.
Koushik Sen +10 more
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The Astrophysical JournalWe present 3D hydrodynamical simulations of core convection with a stably stratified envelope of a 25 M _⊙ star in the early phase of the main sequence.
Huaqing Mao +6 more
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