Epsilon Cephei

Epsilon Cephei (ε Cep, ε Cep) is a Class F0, fourth-magnitude star in the constellation Cepheus. Epsilon Cephei is a yellow-white, Delta Scuti variable star, located about 85 light-years from Earth. It varies between magnitudes 4.15 and 4.21 every 59 minutes.

Naming

In Chinese, 螣蛇 (Téng Shé), meaning Flying Serpent, refers to an asterism consisting of ε Cephei, α Lacertae, 4 Lacertae, π² Cygni, π¹ Cygni, HD 206267, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, τ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3 Andromedae, 7 Andromedae, 8 Andromedae, λ Andromedae, κ Andromedae, ι Andromedae, and ψ Andromedae. Consequently, ε Cephei itself is known as 螣蛇九 (Téng Shé jiǔ, English: the Ninth Star of Flying Serpent)

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