Tags: Star.
Beta Cephei (β Cep β Cephei) is a third magnitude star in the constellation Cepheus. It has the traditional name Alfirk (Arabic الفرقة al-firqah) meaning The Flock (referring to a flock of sheep) This star along with α Cep (Alderamin) and η Cep (Alkidr) were Al Kawākib al Firḳ (الكوكب الفرق) meaning the Stars of The Flock by Ulug Beg. Beta Cephei is the prototype of the Beta Cephei variable stars.