Two-dimensional radiation-hydrodynamic simulations of expanding supernova ejecta with a central energy source
2D radiation-hydrodynamic simulations of supernova ejecta with a central power source
We present the results of two-dimensional radiation-hydrodynamic simulations of expanding supernova ejecta with a central energy source.We assume that the energy injection is realized in the form of non-thermal radiation from the wind nebula embedded at the center of the ejecta.We found that a central energy source with the injection timescale similar to the photon diffusion timescale realizes an efficient conversion of the injected energy into thermal radiation or is consumed as the kinetic energy of the supernova ejecta.On the other hand, a rapid energy injection ends up accelerating the ejecta rather than giving rise to bright thermal emission.This remarkable difference potentially explains the diversity of energetic supernovae including broad-lined ic and superluminous supernovae.
