Alpha Ophiuchi, also known as Ras Alhague, is a prominent star located in the constellation Ophiuchus. It is classified as a giant star and is approximately 49 light-years away from Earth. With a brightness of about 2.08 magnitude, it is one of the brightest stars in its constellation. This star is notable for its spectral type, which is A5 III, indicating it is a blue-white giant. Alpha Ophiuchi is part of a binary star system, meaning it has a companion star that orbits around it. Its position in the sky makes it a useful reference point for astronomers studying the Milky Way.