Magnitude 4.27 Apparent magnitude (V) 4.27 | Constellation Cetus | |
People also search for Nu Ceti, Sigma Ceti, Lambda Ceti, 63 Ceti | ||
Mu Ceti (μ Ceti) is a binary system located in the constellation Cetus. Mu Ceti is a quadruple visual star system. The combined apparent magnitude of the system is +4.27, and is located 84 light years from the Sun.
In Chinese, 天囷 (Tiān Qūn), meaning Circular Celestial Granary, refers to an asterism consisting of α Ceti, κ1 Ceti, λ Ceti, μ Ceti, ξ1 Ceti, ξ2 Ceti, ν Ceti, γ Ceti, δ Ceti, 75 Ceti, 70 Ceti, 63 Ceti and 66 Ceti. Consequently, Mu Ceti itself is known as the Fourth Star of Circular Celestial Granary.
Mu Ceti A is an F0V subgiant, believed to be a Delta Scuti variable star.
The other components, Mu Ceti B, C and D are G3V, G2V and G6V respectively. The dimmer components were all discovered during occultations of Mu Ceti by the Moon. One of them orbits at a period of 1202 days.