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Alpha Lupi

Proper NameKakkab
Bayer DesignationAlpha Lupi
Flamsteed NumberNone
HR (BSC)5469
Right Ascension14h 41m 56s
Declination-47° 23' 18"
Distance465 light years
142 parsecs
MagnitudeApparent: +2.3
Absolute: -3.5
Spectral ClassB1.5III Blue Giant
Optimum VisibilityMay (Usually visible from southern latitudes)
NotesA giant and luminous blue star that shines relatively brightly in the sky despite a distance of more than 450 light years. Kakkab is a variable star of the Beta Cephei type, pulsating in a complex pattern over a matter of several hours.


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