Nu Ceti

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Nu Ceti A
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Ceti
Right ascension 02h 35m 52.50s
Declination +05° 35′ 36″
Apparent magnitude (V) +4.87
Spectral type G8III[1]
Distance 371 ly
(114.025 pc)
Absolute magnitude (MV) -0.415
Mass 1.1 M
Radius  R
Luminosity  L
Temperature 4800 K
Age  years
Other designations
78 Ceti, HD 16161, HR 754, Struve 281, HIP 12093
Database references
Exoplanet Archive data

Nu Ceti (ν Ceti), is a spectroscopic binary located in the constellation Cetus. Nu Ceti is believed to be part of the Ursa Major stream.

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, ν Ceti itself is known as the Seventh Star of Circular Celestial Granary, Tiān Qūn Qī.[2]

The companion to Nu Ceti is an F7V dwarf star with 9.08 apparent visual magnitude and located 8.1 arcsec away. It was discovered by Struve. The companion is known as BD+04 418B, and HD 16161B.