Page "Beta Centauri" Paragraph 1

Based upon parallax measurements from the astrometric Hipparcos satellite, the distance to this system is about.

The spectrum matches a star with a stellar classification of B1 III, with the luminosity class of III indicating this is a giant star that has exhausted the hydrogen at its core and evolved away from the main sequence.

It is a Beta Cephei variable star with a pulsation period of 0. 157 days.