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Proper NameNone
Bayer DesignationOmicron2 Canis Majoris
Flamsteed Number24 Canis Majoris
BSC2653
HD53138
ConstellationCanis Major
Right Ascension7h 3m 48s
Declination-234° 51' 31"
Distancec.2,800 light years
c.800 parsecs
MagnitudeApparent: +3.0
Absolute: -6.6
Spectral ClassB3Iab Blue Supergiant
Optimum VisibilityJanuary
NotesAn immensely distant star, Omicron2 Canins Majoris is also intensely radiant, generating nearly 40,000 times the light energy of the Sun. Though it is separated by dozens of light years from Omicron1 Canis Majoris, the two stars appear to have shared a related origin in the far past.

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