The name is from the Arabic saif al jabbar, sword of the giant.
Data right ascension: 05 h 47 m 45.4 s declination: -09° 40' 11" visual magnitude: 2.06 colour: (B-V) -0.17 spectral type: B0.5I (blue supergiant; 26,000 kelvin) distance: 720 +/- 120 light years diameter: 11 Solar diameters mass: approximately 15-17 Solar masses Other names Harvard Revised (HR) 2004. Henry Draper (HD) 38771. Flamsteed: 53 Orionis