Tags: Star.
Pi Centauri (π Cen π Centauri) is a binary star in the constellation Centaurus. It is approximately 360 light years from Earth.Both components are blue-white B-type main sequence dwarfs. The primary π Centauri A has an apparent magnitude of +4.3 while the apparent magnitude of its companion π Centauri B is +5.0. The two stars orbit around their common centre of mass once every 39 years. The semi-major axis of the companion is 0.23 arcseconds on the sky.