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Theta1 Orionis C

Star
Thetaš Orionis C is a member of the Trapezium open cluster that lies within the Orion Nebula. The star C is the most massive of the four bright stars at the heart of the cluster. It is an O class blue main sequence star with a B-type main sequence... Wikipedia
Luminosity: 204,000 L☉
Surface temperature: 45,500 K
Mass: 7.956 × 10^31 kg (40 M☉)
Magnitude: 5.13
Radius: 3.458 million mi (8 R☉)
Constellation: Orion
Right ascension: 05h 35m 16.46375s