Nu Ceti
  | ||
| Observation data Epoch J2000.0 Equinox J2000.0 | ||
|---|---|---|
| Constellation | Cetus | |
| Right ascension | 02h 35m 52.473s[1] | |
| Declination | +05° 35′ 35.69″[1] | |
| Apparent magnitude (V) | 4.86[2] + 9.08[3] (visual companion) | |
| Characteristics | ||
| Spectral type | G8III + F7V (visual companion)[4] | |
| U−B color index | 0.52[2] | |
| B−V color index | 0.88[2] | |
| Absolute magnitude (MV) | −0.415[6] | |
Semi-amplitude (K1)(primary) | 5.09±0.03 km/s | |
| Details | ||
| Aa | ||
Myr | ||
| Database references | ||
| SIMBAD | data | |
ν Ceti,
Ursa Major stream of co-moving stars.[10]
In
Chinese name for ν Ceti itself is "the Seventh Star of Circular Celestial Granary", Tiān Qūn Qī.[11]
The primary, designated component A, forms a single-lined
common proper motion with Nu Ceti A, designated component B; an F-type main-sequence star with a class of F7V[4] and a 9.08 apparent visual magnitude located 8.0 arcsec away. It was discovered by Struve.[5][3]
References
- ^ S2CID 18759600. Vizier catalog entry
- ^ Bibcode:1963MNSSA..22...12C.
- ^ doi:10.1086/112066.
- ^ doi:10.1086/110845.
- ^ Bibcode:2015Obs...135...15G.
- ^ "Nu Ceti". Archived from the original on 2013-02-26.
- ^ S2CID 119361866, A33.
- ^ .
- ^ "nu. Cet". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-09-27.
- doi:10.1086/130352.
- ^ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 11 日
External links
- http://server3.wikisky.org/starview?object_type=1&object_id=1566
- http://www.alcyone.de/SIT/bsc/HR0754.html
