Explosion geometry of a rotating 13 $M_{\odot}$ star driven by the SASI-aided neutrino-heating supernova mechanism

Details Explosion geometry of a rotating 13 $M_{\odot}$ star driven by the SASI-aided neutrino-heating supernova mechanism Explosion geometry of a rotating 13 $M_{\odot}$ star driven by the SASI-aided neutrino-heating supernova mechanism

2009-12-07

arxiv.org/abs/0912.1157v2

Publ.Astron.Soc.Jap.62:L49-L53,2010

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

5 pages, 4 figures; accepted for publication in PASJ Letters

Scientific paper

By performing axisymmetric hydrodynamic simulations of core-collapse supernovae with spectral neutrino transport based on the isotropic diffusion source approximation scheme, we support the assumption that the neutrino-heating mechanism aided by the standing accretion shock instability and convection can initiate an explosion of a 13 $M_{\odot}$ star. Our results show that bipolar explosions are more likely to be associated with models which include rotation. We point out that models, which form a north-south symmetric bipolar explosion, can lead to larger explosion energies than for the corresponding unipolar explosions.

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