Sigma Aurigae, Latinized from s Aurigae, is a giant star in the northern constellation of Auriga. It is faintly visible to the naked eye with an apparent visual magnitude of 4.99. With an annual parallax shift of 6.21 mas, it is approximately 530 light-years (160 parsecs) distant from the Earth. This is an evolved giant star with a stellar classification of K4 III.

Sigma Aurigae has a 12th magnitude companion at an angular separation of 8 arcseconds, as well as two fainter companions at 28 and 35" respectively. All are background objects, stars much further away than Sigma itself.

Sigma Aurigae, along with l Aur and m Aur, were Kazwini's Al Ḣibaʽ (ألحباع), the Tent. According to the catalogue of stars in the Technical Memorandum 33-507 - A Reduced Star Catalog Containing 537 Named Stars, Al Ḣibaʽ were the title for three stars: l Aur as Al Ḣibaʽ I, m Aur as Al Ḣibaʽ II and s Aur as Al Ḣibaʽ III.