ALPHA OPHIUCHI

'Alpha Ophiuchi' (α Oph / α Ophiuchi) is the brightest star in the constellation Ophiuchus. It also has the traditional name 'Ras Alhague'.
Ras Alhague has an apparent magnitude of +2.08, belongs to the spectral classification A5, and is about 47 light years distant from Earth.
The name Ras Alhague is from the Arabic ''Ra's al Hawwa', "the Head of the Serpent-charmer."