https://doi.org/10.1051/epjconf/202226011020
Three-dimensional supernova simulation of SN 1987A progenitor with implications for multi-messenger signals
1 Department of Applied Physics, Fukuoka University, Fukuoka 814-0180, Japan
2 Research Institute of Stellar Explosive Phenomena, Fukuoka University, Fukuoka 814-0180, Japan
* e-mail: nakamurako@fukuoka-u.ac.jp
Published online: 24 February 2022
Recently a new progenitor model for SN 1987A has been constructed. This progenitor model is based on a slow-merger of 14 M⊙ and 9 M⊙ stars and it satisfies most of the observational constraints such as red-toblue evolution, lifetime, total mass and position in the Hertzsprung-Russell diagram at collapse, and chemical anomalies. We perform a three-dimensional self-consistent core-collapse supernova simulation using this new progenitor model and find that it successfully presents an explosion and leaves a 1.53 M⊙ neutron star. Assuming a detector sensitivity of Kamiokande-II and the distance to the supernova of 51 kpc, we obtain 16 neutrino detection events in one second. Some characteristic modes in its gravitational wave signal are also discussed in this article.
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
