Tags: Star.
Zeta1 Scorpii (Zeta1 Sco ζ1 Scorpii ζ1 Sco) is a B-type hypergiant star in the constellation of Scorpius. It has an apparent visual magnitude which varies between 4.66 and 4.86. It is a member of the Scorpius OB1 association and the open star cluster NGC 6231 also known as the northern jewel box cluster.
