Tau Canis Majoris

Summary

Tau Canis Majoris is a multiple star system in the constellation Canis Major, consisting of five stars. Its name is a Bayer designation that is Latinized from τ Canis Majoris, and abbreviated Tau CMa or τ CMa. This system is approximately 5,000 light years distant from Earth and is the brightest member of the open cluster NGC 2362.