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Stellar convective penetration: parameterized theory and dynamical simulations
Evan H. Anders, Adam S. Jermyn, Daniel Lecoanet +1
Most stars host convection zones in which heat is transported directly by fluid motion, but the behavior of convective boundaries is not well understood. Here we present 3D numeric…
Surface Manifestation of Stochastically Excited Internal Gravity Waves
Daniel Lecoanet, Matteo Cantiello, Evan H. Anders +5
Recent photometric observations of massive stars show ubiquitous low-frequency "red-noise" variability, which has been interpreted as internal gravity waves (IGWs). Simulations of…
Marginally-Stable Thermal Equilibria of Rayleigh-Bénard Convection
Liam O'Connor, Daniel Lecoanet, Evan H. Anders
Natural convection is ubiquitous throughout the physical sciences and engineering, yet many of its important properties remain elusive. To study convection in a novel context, we d…
On the Origin of Stochastic, Low-Frequency Photometric Variability in Massive Stars
Matteo Cantiello, Daniel Lecoanet, Adam S. Jermyn +1
High-precision photometric observations have revealed ubiquitous stochastic low-frequency photometric variability in early type stars. It has been suggested that this variability a…