- Mimosa is the second-brightest object in the southern constellation of Crux (after Acrux), and the 20th-brightest star in the night sky. It has the Bayer designation β Crucis, which is Latinised to Beta Crucis and abbreviated Beta Cru or β Cru. Mimosa forms part of the prominent asterism called the Southern Cross. It is a binary star or a possible triple star system.
- Acrux (stars.astro.illinois.edu)
ACRUX (Alpha Crucis). Among the most famous constellations in the sky is a “modern” one that is quite invisible from most of the populated northern hemisphere: Crux, the Southern Cross.