Tags: Star.
Mu Normae is a blue supergiant star in the constellation Norma. Though it has an apparent magnitude of only 4.914 its absolute visual magnitude -5.86 and a bolometric luminosity of 210000 times that of the Sun. This star is comparable to Epsilon Orionis (Alnilam) in that they are both of class B0 and are supergiants but this star is less massive at a probable mass of 30 solar masses.