It has a mass of 1.23 solar masses and, as it evolved away from the main sequence, it expanded to a size of 31.88 solar radii.

Is Algieba a red giant?

Based on the star’s spectral type of K0III , Algieba’s colour and type is orange to red giant star. Based on the spectral type, we can deduce that the surface temperature of the star is in the order of between 3,500 and 5,000K based on the notes from Harvard University.

What is the absolute magnitude of Regulus?

Observation data Epoch J2000 Equinox J2000Distance79.02 ± 0.05 ly (24.23 ± 0.02 pc)Absolute magnitude (MV)6.20/11.56OrbitPrimaryα Leo Aa (HD 87901 A)