Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Beta Draconis is the third brightest star in the constellation of Draco. It has the traditional name Rastaban, which has also been used for Gamma Draconis. It is a G-type giant star, with spectral class G2 and an apparent visual magnitude of approximately 2.79. Its distance from the Sun is around 360 light years. It is a binary star, with a binary star designation of ADS 10611, in which the supergiant is orbited by a dwarf companion once every four millennia or so.