supergiant
large star
blue supergiant
type of star
extreme helium star
low-mass supergiant that is almost devoid of hydrogen
red supergiant
stars with a supergiant luminosity class
yellow supergiant
supergiant with a temperature similar to the sun
Deneb
blue supergiant star in the constellation Cygnus
luminous blue variable
class of variable stars; highly luminous blue pulsing super- or hypergiants