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Menkhib, Menchib, Xi Persei, 46 Persei

Proper NamesMenkib, Menkhib, Menchib
Bayer DesignationXi Persei
Flamsteed Number46 Persei
HR (BSC)1228
Right Ascension3h 58m 58s
Declination+35° 47' 28"
Distancec.1,200 light years
c.400 parsecs
MagnitudeApparent: +4.1
Absolute: -3.9
Spectral ClassO7.5III Blue-white giant
Optimum VisibilityDecember
NotesThe Arabic star name Menkib, 'shoulder', is also sometimes also applied to nearby Zeta Persei, though for clarity different English spellings are used for the two stars. Xi Persei is an intensely hot O-type star travelling through the Galaxy at an unusually high velocity.


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