Upsilon1 Centauri

It has a blue-white hue and is visible to the naked eye with an apparent visual magnitude of +3.87.

[2] The distance to this object is approximately 427 light years based on parallax,[1] and is receding with a radial velocity of +9 km/s.

[4] It is a member of the Lower Centaurus Crux group of the Scorpius–Centaurus association.

[2] The stellar classification of this object is B2 IV/V,[2] matching a massive B-type star with a luminosity class displaying mixed traits of a main sequence and a subgiant star.

It is radiating 1,884[2] times the luminosity of the Sun from its photosphere at an effective temperature of 21,411 K.[6]