Not exact matches
But the progenitor of SN 1987A turned out to be a smaller, hotter kind of
star called a blue
supergiant.
But the big surprise among the
supergiants was R 136a1, a
star that might be
called a hypergiant.
Cygnus X-1 was found as part of a binary
star system in which an extremely hot and bright
star called a blue
supergiant formed an accretion disk around an invisible object.
The red
star at the center of the eyeball - like feature is an unusual erupting
supergiant called V838 Monocerotis, located about 20,000 light - years away in the winter constellation Monoceros (the Unicorn).
Named in many ancient cultures, the
star is commonly
called «Denebola» in modern
star catalogues, originally from «Al Dhanab al Asad,» the Lion's Tail of the constellation, but sometimes shares the name of the well - known
supergiant «Deneb» (Richard Hinckley Allen, 1889: page 258).