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I can remember seeing images of SN1987A as it developed back in 1987. It was the explosion of a star, a supernova in the Large Magellanic Cloud. Over the decades that followed, it was closely monitored in particular the expanding debris cloud. Predictions suggested there may be a neutron star or even a black hole at the core but the resolution of the telescopes was insufficient to pick anything up.
1987A occurred in the Large Magellanic Cloud which is approximately 160,000 light years away and was first observed in February 1987. It continued to brighten until its luminosity peaked three months later in May. It even became visible to the naked eye, the first since Kepler’s Supernova of 1604. Before the visible light signals were detected, three observatories detected short bursts of neutrinos.
Observations of similar objects, like the supernova remnant in Taurus, the Crab Nebula , revealed a neutron star at the core of the debris field. In the years that followed astronomers hunted for evidence but no direct evidence had been found.
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