A Star Went Supernova in 1987. Where Is It Now? – The New York Times

According to astronomers, there are three possible fates for a star that has run out of fuel and died. It can end up as a hot dense cinder called a white dwarf, as an even hotter and denser neutron star or as a black hole, depending on its initial mass and other details of its composition.
The star that exploded was subsequently identified as a giant blue star known as Sanduleak -69° 202, which promptly vanished from the sky. In its prime it was about 19 times as massive as the sun, which puts …

Click here to view the original article.