Tags: Star.
Theta Aurigae (θ Aur θ Aurigae) is a binary star in the constellation Auriga. Rarely used proper names for this star include Mahasim the latter from the Arabic المِعْصَم al-micşam wrist (of the charioteer) which was also used for Eta Aurigae. It is known as 五車四 (the Fourth Star of the Five Chariots) in Chinese.
