Tags: Star.
AH Scorpii is a red supergiant star located in the constellation Scorpius. One of the largest stars known AH Sco is estimated at 1287-1535 solar radii making it one of the largest stars in its class.Located approximately 12000 light-years from Earth this places it within the Scutum-Centaurus Arm. A luminous red supergiant it has significant outburst of uncertain variability at 20% of its luminosity.