Multimessengers from core-collapse supernovae: multidimensionality as a key to bridge theory and observation

Details Multimessengers from core-collapse supernovae: multidimensionality as a key to bridge theory and observation Multimessengers from core-collapse supernovae: multidimensionality as a key to bridge theory and observation

2012-04-11

arxiv.org/abs/1204.2330v2

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

90 pages, 28 figures, references added(v2), accepted by Advances in Astronomy

Scientific paper

Core-collapse supernovae are dramatic explosions marking the catastrophic end of massive stars. The only means to get direct information about the supernova engine is from observations of neutrinos emitted by the forming neutron star, and through gravitational waves which are produced when the hydrodynamic flow or the neutrino flux is not perfectly spherically symmetric. The multidimensionality of the supernova engine, which breaks the sphericity of the central core such as convection, rotation, magnetic fields, and hydrodynamic instabilities of the supernova shock, is attracting great attention as the most important ingredient to understand the long-veiled explosion mechanism. Based on our recent work, we summarize properties of gravitational waves, neutrinos, and explosive nucleosynthesis obtained in a series of our multidimensional hydrodynamic simulations and discuss how the mystery of the central engines can be unraveled by deciphering these multimessengers produced under the thick veils of massive stars.

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