A New Kilohertz Gravitational-Wave Feature from Rapidly Rotating Core-Collapse Supernovae

He-Feng Hsieh, Rubén Cabezón, Li-Ting Ma +1

We present self-consistent three-dimensional core-collapse supernova simulations of a rotating $20M_{\odot }$ progenitor model with various initial angular velocities from $0.0$ to $4…