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Proper NameNone
Bayer DesignationPi4 Orionis
Flamsteed Number3 Orionis
HR (BSC)1552
Right Ascension4h 51m 12s
Declination+5° 36' 18"
Distancec.1,100 light years
c.300 parsecs
MagnitudeApparent: +3.7
Absolute: -4.3
Spectral ClassB2III Blue Giant
Optimum VisibilityDecember
NotesA blue giant star with a binary companion, Pi4 Orionis is notable for its extremely strong absolute magnitude, placing it among the most intrinsically luminous of all stars.


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