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Ascertaining the Core Collapse Supernova Mechanism: An Emerging Picture?
A. Mezzacappa, S. W. Bruenn, J. M. Blondin +2
Here we present the results from two sets of simulations, in two and three spatial dimensions. In two dimensions, the simulations include multifrequency flux-limited diffusion neut…
Modeling core collapse supernovae in 2 and 3 dimensions with spectral neutrino transport
S. W. Bruenn, C. J. Dirk, A. Mezzacappa +4
The overwhelming evidence that the core collapse supernova mechanism is inherently multidimensional, the complexity of the physical processes involved, and the increasing evidence…
A Deep Chandra Observation of Kepler's Supernova Remnant: A Type Ia Event with Circumstellar Interaction
S. P. Reynolds, K. J. Borkowski, U. Hwang +4
We present initial results of a 750 ks Chandra observation of the remnant of Kepler's supernova of AD 1604. The strength and prominence of iron emission, together with the absence…
Linear growth of spiral SASI modes in core-collapse supernovae
John M. Blondin, Samantha Shaw
Two-dimensional axisymmetric simulations have shown that the post-bounce accretion shock in core collapse supernovae is subject to the Spherical Accretion Shock Instability, or SAS…
Pulsar spins from an instability in the accretion shock of supernovae
John M. Blondin, Anthony Mezzacappa
Rotation-powered radio pulsars are born with inferred initial rotation periods of order 300 ms (some as short as 20 ms) in core-collapse supernovae. In the traditional picture, thi…
X-Ray Emission from Planetary Nebulae Calculated by 1D Spherical Numerical Simulations
Muhammad Akashi, Noam Soker, Ehud Behar +1
We calculate the X-ray emission from both constant and time evolving shocked fast winds blown by the central stars of planetary nebulae (PNs) and compare with observations. Using s…