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Kappa Crucis

Proper NameNone
Bayer DesignationKappa Crucis
Flamsteed NumberNone
HR (BSC)4890
Right Ascension12h 53m 49s
Declination-60° 22' 34"
Distancec.6,400 light years
c.2,000 parsecs
MagnitudeApparent: +5.9
Absolute: -6.2
Spectral ClassB5Ia Blue Supergiant
Optimum VisibilityApril (Usually visible from southern latitudes)
NotesThe brightest of the stars that make up the Jewel Box cluster (sometimes called the Kappa Crucis Cluster after this star) that lies near Mimosa in the sky. Kappa Crucis is an intensely luminous supergiant star whose spectrum shows that it has a smaller binary companion.


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