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The constellation Cepheus as it may be seen by the naked eye. Alderamin, also known as Alpha Cephei, is the brightest star in the constellation, with an apparent magnitude of 2.51. [5] Gamma Cephei, also known as Errai, is the second-brightest star in the constellation, with an apparent magnitude of 3.21. [6]
This is the list of notable stars in the constellation Cepheus, sorted by decreasing brightness. Name B F Var ... • Notes = Common name(s) or alternate name(s ...
α Cephei (Latinised to Alpha Cephei) is the star's Bayer designation.It has a Flamsteed designation of 5 Cephei.. It bore the traditional name Alderamin, a contraction of the Arabic phrase الذراع اليمين al-dhirā‘ al-yamīn, meaning "the right arm".
Eta Cephei (η Cep, η Cephei) is a star in the northern circumpolar constellation of Cepheus. With an apparent visual magnitude of 3.4, [2] this is a third magnitude star that, according to the Bortle Dark-Sky Scale, is readily visible to the naked eye. Parallax measurements put it at a distance of 14.37 parsecs (46.9 light-years) from Earth. [1]
Mu Cephei (Latinized from μ Cephei, abbreviated Mu Cep or μ Cep), also known as Herschel's Garnet Star, Erakis, or HD 206936, is a red supergiant or hypergiant [4] [7] star in the constellation Cepheus. It appears garnet red and is located at the edge of the IC 1396 nebula.
Gamma Cephei (γ Cephei, abbreviated Gamma Cep, γ Cep) is a binary star system approximately 45 light-years away in the northern constellation of Cepheus.The primary (designated Gamma Cephei A, officially named Errai / ɛ ˈ r eɪ. iː /, the traditional name of the system) [11] [12] is a stellar class K1 orange giant or subgiant star; it has a red dwarf companion (Gamma Cephei B).
This Arabic name meaning ‘the leader’ is the first of the constellation’s stars to rise. In Arab legends, the star is nicknamed ‘roaring line,’ which we think is pretty fiery. 97.
Xi Cephei (ξ Cephei, abbreviated Xi Cep, ξ Cep) is a multiple star system in the constellation of Cepheus.It is approximately 86 light-years from Earth. [6]It consists of two binary stars, designated Xi Cephei A and B, together with a more distant companion, Xi Cephei C.