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Some Stars and Nebulae in Orion

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Sigma Orionis
Distance1164.87 light years
Apparent Magnitude3.75
Absolute Visual Magnitude-4.01
Variabilitynone
Radius14 solar radii
CompanionsBinary < 10" sep
Temperature16,342 Kelvin
B-V colour-0.19
Luminosity13,082 suns
Sigma Orionis is a main sequence star that burns hydrogen in its core, like the Sun. It is more massive than the Sun and burns more brightly.

Sigma Orionis is a member of a multiple star system.