Sigma Centauri
Star
Sigma Centauri, Latinized from σ Centauri, is the Bayer designation for a solitary star in the southern constellation of Centaurus. It is visible to the naked eye with an apparent visual magnitude of 3.91. Wikipedia
Magnitude: 3.91
Constellation: Centaurus
Mass: 6.8±0.1 M☉
Distance: around 412 light years
B−V color index: −0.202
U−B color index: −0.805