Arcturus

Ownership: UCP
Spectral class: K1.5IIIp red giant
Absolute magnitude: 0.2
Galactic coordinates:

l 16

b 68.51

Plane dist 13.45

Diameter: 36 million km

A type K star, the orange giant Arcturus is also known as Alpha Boötis. The star's high proper motion and low metallicity indicate that it may have originated from a small galaxy that merged with the Milky Way sometime in the last few billion years.