Mimosa

Mimosa (β Crucis) is a blue-white giant star in the constellation Crux. With an apparent magnitude of 1.25 it is the 19th-brightest star in the night sky, and it is about 277 light-years from Earth.

Finder chart showing where Mimosa is in the constellation Crux
Mimosa (circled) in Crux, with the surrounding constellations and bright stars.
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Free to use with credit: Atlas of the Sky (constellationmap.org), CC BY 4.0 · More

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Facts

ConstellationCrux
Designationβ Crucis (Beta Crucis), HR 4853
Apparent magnitude1.25 (19th brightest)
Spectral typeB0.5III
Colorblue-white (B−V -0.23)
Distanceabout 277 light-years
Right ascension12 h 47.7 min
Declination−59.69°
Best monthMay (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find Mimosa

Mimosa is in Crux. It never rises from 40° N. From 35° S it never sets. Nearby bright stars: Gacrux (3° away), Acrux (4° away) and Hadar (9° away).

Crux constellation →

Other named stars in Crux

AcruxGacruxImaiGinan

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