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Modules for Experiments in Stellar Astrophysics (MESA): Binaries, Pulsations, and Explosions
Bill Paxton, Pablo Marchant, Josiah Schwab +10
We substantially update the capabilities of the open-source software instrument Modules for Experiments in Stellar Astrophysics (MESA). MESA can now simultaneously evolve an intera…
The blue-edge problem of the V1093 Her instability strip revisited using evolutionary models with atomic diffusion
S. Bloemen, Haili Hu, C. Aerts +5
We have computed a new grid of evolutionary subdwarf B star (sdB) models from the start of central He burning, taking into account atomic diffusion due to radiative levitation, gra…
Orbital properties of an unusually low-mass sdB star in a close binary system with a white dwarf
R. Silvotti, R. H. Østensen, S. Bloemen +17
We have used 605 days of photometric data from the Kepler spacecraft to study KIC 6614501, a close binary system with an orbital period of 0.15749747(25) days (3.779939 hours), tha…
Seismic evidence for non-synchronization in two close sdB+dM binaries from Kepler photometry
Herbert Pablo, Steven D. Kawaler, M. D. Reed +16
We report on extended photometry of two pulsating sdB stars in close binaries. For both cases, we use rotational splitting of the pulsation frequencies to show that the sdB compone…