Archturus is also the name of a star.
It is the brightest star in the constellation Boötes, and the fourth brightest star in the night sky, with a visual magnitude of −0.05. It is a type red giant star.
The name of the star derives from ancient Greek Αρκτούρος (Arktouros) and means "Bear Guard."
See here what Archturus CMS is about