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Proper NameNone
Bayer DesignationNone
Flamsteed Number55 Orionis
HR (BSC)2031
Right Ascension5h 52m 19s
Declination-7° 30' 51"
Distance994 light years
305 parsecs
MagnitudeApparent: +5.3
Absolute: -2.2
Spectral ClassB2IV Blue Subgiant
Optimum VisibilityDecember / January
Notes55 Orionis is a distant star in the southeastern parts of Orion, near that constellation's border with Monoceros. Much hotter and more luminous than the Sun, the significant distance of this star - just under 1,000 light years - means that it is nonetheless on the threshold of naked-eye visibility.


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