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Proper NameNone
Bayer DesignationNone
Flamsteed Number64 Orionis
HR (BSC)2130
HD41040
ConstellationOrion
Right Ascension6h 4m 40s
Declination+19° 41' 19"
Distance875 light years
268 parsecs
MagnitudeApparent: +5.2
Absolute: --1.6
Spectral ClassB8III Blue Giant
Optimum VisibilityJanuary
NotesA fifth magnitude star near the northern end of Orion's upraised arm, 64 Orionis has a diameter nearly six times that of the Sun. This is a binary system, in which the primary blue giant has a relatively close companion star that orbits it over a period of a little over thirteen years.

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