Pulsations change the structures of massive stars before explosion: interpreting SN 2023ixf and SN 2024ggi

Eva Laplace, Vincent A. Bronner, Fabian R. N. Schneider +1

Massive red supergiants (RSGs) are known to become hydrodynamically unstable before they explode. Still, the vast majority of supernova (SN) models assume RSG progenitors in hydros…