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The Stability of Prendergast Magnetic Fields
Emma Kaufman, Daniel Lecoanet, Evan H. Anders +4
Convection in massive main sequence stars generates large scale magnetic fields in their cores which persists as they evolve up the red giant branch. The remnants of these fields m…
Magnetohydrodynamic Simulations of the Tayler Instability in Rotating Stellar Interiors
Suoqing Ji, Jim Fuller, Daniel Lecoanet
The Tayler instability is an important but poorly studied magnetohydrodynamic instability that likely operates in stellar interiors. The nonlinear saturation of the Tayler instabil…
Asteroseismology reveals the near-core magnetic field strength in the early-B star HD 43317
D. M. Bowman, D. Lecoanet, T. Van Reeth
Spectropolarimetic campaigns have established that large-scale magnetic fields are present at the surfaces of approximately 10% of massive dwarf stars. However, there is a dearth o…
Gender Disparity in Publishing Six Months after the KITP Workshop "Probes of Transport in Stars"
Meridith Joyce, Jamie Tayar, Daniel Lecoanet
Conferences and workshops shape scientific discourse. The Kavli Institute for Theoretical Physics (KITP) hosts long-term workshops to stimulate scientific collaboration that would…
An Atlas of Convection in Main-Sequence Stars
Adam S. Jermyn, Evan H. Anders, Daniel Lecoanet +1
Convection is ubiquitous in stars and occurs under many different conditions. Here we explore convection in main-sequence stars through two lenses: dimensionless parameters arising…
Moosinesq Convection in the Cores of Moosive Stars
Evan H. Anders, Evan B. Bauer, Adam S. Jermyn +7
Stars with masses have core convection zones during their time on the main sequence. In these moosive stars, convection…
Convective Penetration in Early-Type Stars
Adam S. Jermyn, Evan H. Anders, Daniel Lecoanet +1
Observations indicate that the convective cores of stars must ingest a substantial amount of material from the overlying radiative zone, but the extent of this mixing and the mecha…
Schwarzschild and Ledoux are equivalent on evolutionary timescales
Evan H. Anders, Adam S. Jermyn, Daniel Lecoanet +4
Stellar evolution models calculate convective boundaries using either the Schwarzschild or Ledoux criterion, but confusion remains regarding which criterion to use. Here we present…
Asteroseismic inference of the near-core magnetic field strength in the main sequence B star HD 43317
Daniel Lecoanet, Dominic M. Bowman, Timothy Van Reeth
About 10 per cent of intermediate- and high-mass dwarf stars are observed to host a strong large-scale magnetic field at their surface, which is thought to be of fossil field origi…