Supported by the National Basic Research Program of China under Grant No 2015CB857100;the National Key Research and Development Program of China under Grant No 2017YFA0402600;the National Natural Science Foundation of China under Grant Nos 11173034,11703003 and U1731238
Supernova 1987 A is a core collapse supernova in the Large Magellanic Cloud, inside which the product is most likely a neutron star. Despite the most sensitive available detection instruments from radio to γ-ray wave...