Mimosa
Blue giant · Beta Crucis
Second-brightest star in the Southern Cross
Mimosa is a hot blue giant and the second-brightest star of the Southern Cross. It is a Beta Cephei type pulsating variable whose surface oscillates over a few hours, and it has at least one close companion.
Illustration generated from temperature, not a photograph
14.5 ☉
mass (the Sun = 1)
26 thousand ×
as bright as the Sun
28,840 K
surface · blue-white star
8 R☉
radius (the Sun = 1)
280 ly
from Earth
1.3
apparent magnitude
It pours out about 26 thousand times the Sun’s light. Its light has been travelling 280 years to reach us, so you see Mimosa as it was 280 years ago.
Source · View on Wikidata
It lives in
Milky Way
Barred spiral galaxy.
Other notable stars in Milky Way
Eta CarinaeLuminous blue variableAlnilamBlue supergiantVY Canis MajorisRed hypergiantAlnitakHot blue supergiantDenebBlue-white supergiantMintakaHot blue giant multiple star
Stars of similar brightness
AcruxBlue subgiant (multiple system)31 thousand ×HadarBlue giant32 thousand ×SpicaBlue giant (close binary)21 thousand ×CanopusYellow-white bright giant13 thousand ×BetelgeuseRed supergiant60 thousand ×SaiphBlue supergiant60 thousand ×
Worlds in the same direction on the sky→