The left star of Orion's belt is actually a triple star system. Close to the main component with a brightness of 1.9 magnitude, there is a companion with a brightness of 4.2 magnitude at a separation of 2.7 arcseconds. At an angular distance of 57 arcseconds, there is another star with a brightness of 9 magnitude, which is likely only projected near Alnitak. All components have a blue-white color.