Nu Ceti

Nu Ceti A

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

References

1. "Nu Ceti".
2. (Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 11 日

• http://server3.wikisky.org/starview?object_type=1&object_id=1566
• http://www.alcyone.de/SIT/bsc/HR0754.html