Best Hypergiant
Rho Cassiopeiae is a yellow hypergiant star situated in the northern constellation of Cassiopeia. It is recognized as one of the most massive and luminous stars in the Milky Way, with an estimated radius that places it among the largest known stars. The star exhibits complex, long-term variability a...
Cygnus OB2-12 is a blue hypergiant in the Cygnus OB2 association and one of the most intrinsically luminous stars in the Milky Way, heavily obscured by dust and most detectable at infrared wavelengths.
RW Cephei is an orange hypergiant star located in the constellation Cepheus. It is classified as an irregular variable star and ranks among the largest known stars in the Milky Way, with an estimated radius exceeding 1,500 times that of the Sun. The star's substantial size and mass place it near the...
HR 5171, also cataloged as V766 Centauri, is a yellow hypergiant star located in the constellation Centaurus. It is classified as one of the largest known stars in the observable universe by physical radius, measuring hundreds of times the size of the Sun. The system is scientifically notable for op...
