Mimosa

bayer designation

β Crucis

chart

NGC 3766 - Pearl Cluster - Open Cluster (freestarcharts.com)

flag

meaning

The origin of its name, which comes from Latin and means “actor,” is not clear, but may derive from that of the beautiful southern-hemisphere flower.

next in magnitude

Deneb

random

February 12 – Pope Francis and Patriarch Kirill sign an Ecumenical Declaration in the first such meeting between leaders of the Catholic and Russian Orthodox Churches since their schism in 1054.

rotation

A rotation velocity of at least 40 kilometers per second gives a rotation period under 8 days.

star of

Crux

STARS by Jim Kaler

Mimosa (stars.astro.illinois.edu) MIMOSA (Beta Crucis). Few are the first magnitude stars, as their apparent brightness requires either great luminosity, closeness, or both. Mimosa satisfies the first requirement.

supernova

Mimosa itself is clearly above the cutoff of 8 to 10 solar masses, beyond which stars explode as supernovae. It has perhaps only six or so million years left to go.

tags

star

Wikidata

https://www.wikidata.org/wiki/Q13105

Wikipedia

Mimosa (star) (Wikipedia) 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.