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- W2260485220 abstract "The next Galactic supernova is expected to bring great opportunities for the direct detection of gravitational waves (GW), full flavour neutrinos, and multiwavelength photons. To maximize the science return from such a rare event, it is essential to have established classes of possible situations and preparations for appropriate observations. To this end, we use a long-term numerical simulation of the core-collapse supernova (CCSN) of a 17 M⊙ red supergiant progenitor to self-consistently model the multimessenger signals expected in GW, neutrino, and electromagnetic messengers. This supernova model takes into account the formation and evolution of a protoneutron star, neutrino-matter interaction, and neutrino transport, all within a two-dimensional shock hydrodynamics simulation. With this, we separately discuss three situations: (i) a CCSN at the Galactic Center, (ii) an extremely nearby CCSN within hundreds of parsecs, and (iii) a CCSN in nearby galaxies within several Mpc. These distance regimes necessitate different strategies for synergistic observations. In a Galactic CCSN, neutrinos provide strategic timing and pointing information. We explore how these in turn deliver an improvement in the sensitivity of GW analyses and help to guarantee observations of early electromagnetic signals. To facilitate the detection of multimessenger signals of CCSNe in extremely nearby and extragalactic distances, we compile a list of nearby red supergiant candidates and a list of nearby galaxies with their expected CCSN rates. By exploring the sequential multimessenger signals of a nearby CCSN, we discuss preparations for maximizing successful studies of such an unprecedented stirring event." @default.
- W2260485220 created "2016-06-24" @default.
- W2260485220 creator A5009527898 @default.
- W2260485220 creator A5049756694 @default.
- W2260485220 creator A5071862672 @default.
- W2260485220 creator A5073041667 @default.
- W2260485220 creator A5074726619 @default.
- W2260485220 creator A5088348055 @default.
- W2260485220 date "2016-06-20" @default.
- W2260485220 modified "2023-10-17" @default.
- W2260485220 title "Multimessenger signals of long-term core-collapse supernova simulations: synergetic observation strategies" @default.
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