Angular momentum transport in stellar interiors
Stars lose a significant amount of angular momentum between birth and death, implying that
efficient processes transporting it from the core to the surface are active. Space …
efficient processes transporting it from the core to the surface are active. Space …
Dedalus: A flexible framework for numerical simulations with spectral methods
Numerical solutions of partial differential equations enable a broad range of scientific
research. The Dedalus project is a flexible, open-source, parallelized computational …
research. The Dedalus project is a flexible, open-source, parallelized computational …
Photometric detection of internal gravity waves in upper main-sequence stars-II. Combined TESS photometry and high-resolution spectroscopy
Context. Massive stars are predicted to excite internal gravity waves (IGWs) by turbulent core
convection and from turbulent pressure fluctuations in their near-surface layers. These IGWs …
convection and from turbulent pressure fluctuations in their near-surface layers. These IGWs …
A diversity of wave-driven presupernova outbursts
S Wu, J Fuller - The Astrophysical Journal, 2020 - iopscience.iop.org
Many core-collapse supernova (SN) progenitors show indications of enhanced pre-SN mass
loss and outbursts, some of which could be powered by wave energy transport within the …
loss and outbursts, some of which could be powered by wave energy transport within the …
Low-frequency gravity waves in blue supergiants revealed by high-precision space photometry
Almost all massive stars explode as supernovae and form a black hole or neutron star. The
remnant mass and the impact of the chemical yield on subsequent star formation and …
remnant mass and the impact of the chemical yield on subsequent star formation and …
[HTML][HTML] Photometric detection of internal gravity waves in upper main-sequence stars-I. Methodology and application to CoRoT targets
Context. Main sequence stars with a convective core are predicted to stochastically excite
internal gravity waves (IGWs), which effectively transport angular momentum throughout the …
internal gravity waves (IGWs), which effectively transport angular momentum throughout the …
An atlas of convection in main-sequence stars
Convection is ubiquitous in stars and occurs under many different conditions. Here we
explore convection in main-sequence stars through two lenses: dimensionless parameters …
explore convection in main-sequence stars through two lenses: dimensionless parameters …
The photometric variability of massive stars due to gravity waves excited by core convection
Massive stars die in catastrophic explosions that seed the interstellar medium with heavy
elements and produce neutron stars and black holes. Predictions of the explosion's …
elements and produce neutron stars and black holes. Predictions of the explosion's …
Low-frequency variability in massive stars: core generation or surface phenomenon?
Bowman et al. reported low-frequency photometric variability in 164 O-and B-type stars
observed with K2 and TESS. They interpret these motions as internal gravity waves, which …
observed with K2 and TESS. They interpret these motions as internal gravity waves, which …
A model of rotating convection in stellar and planetary interiors. I. Convective penetration
KC Augustson, S Mathis - The Astrophysical Journal, 2019 - iopscience.iop.org
A Model of Rotating Convection in Stellar and Planetary Interiors. I. Convective Penetration -
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