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Proper NameNone
Bayer DesignationEta Orionis
Flamsteed Number28 Orionis
HR (BSC)1788
HD35411
ConstellationOrion
Right Ascension5h 24m 29s (A), 5h 24m 29s (B)
Declination-2° 23' 49" (A), -2° 23' 50" (B)
Distance977 light years
299 parsecs
MagnitudeApparent: +3.4
Absolute: -4.0
Spectral ClassB1V Blue Dwarf
Optimum VisibilityDecember / January

A star system nearly a thousand light years from Earth, a little to the west of the Belt of Orion. It is an eclipsing binary system consisting of two blue stars orbiting one another in a regular pattern.

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