Alnitak, designation ζ Orionis and 50 Orionis, is a triple star system in the constellation of Orion several hundred parsecs from the Sun. It is one of the three main stars of Orion's Belt along with Alnilam and Mintaka.

What does the name alnitak mean?

The name of the left hand star, Alnitak (Zeta Orionis), stands in for the whole string, and comes from a phrase that means "the belt of al jauza," "al jauza" the Arabs female "central one." Separate Alnitak from the belt and it becomes a most remarkable star in its own right, the brightest class O star in the sky, a ...

What is alnitak surface temperature?

Alnitak Aa is around 250.000 times brighter than our sun and it is the hottest star of its system with a surface temperature of around 29.500 K.