Saiph, or κ Orionis (kappa Orionis) is the sixth-brightest star in the constellation of Orion.

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