Lambda Ceti
  | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cetus |
| Right ascension | 02h 59m 42.89987s[1] |
| Declination | 08° 54′ 26.4899″[1] |
| Apparent magnitude (V) | 4.71[2] |
| Characteristics | |
| Spectral type | B6III[3] |
| U−B color index | −0.471[2] |
| B−V color index | −0.109±0.006[2] |
| Absolute magnitude (MV) | −1.52[2] |
| Details | |
Myr | |
| Database references | |
| SIMBAD | data |
Lambda Ceti,
B-type star of fifth-magnitude located in the constellation Cetus. Historically, the star bore the traditional name Menkar, although today that name is more commonly associated with α Ceti
.
This star, along with α Cet (Menkar), γ Cet (Kaffaljidhma), δ Cet, μ Cet, ξ1 Cet and ξ2 Cet were Al Kaff al Jidhmah, "the Part of a Hand".[10]
In
Chinese name for λ Ceti itself is 天囷三 (Tiān Qūn sān, English: the Third Star of Circular Celestial Granary.)[11]
Properties
Lambda Ceti is a blue
ly—a revaluation which significantly altered other stellar parameters.[1] Its apparent magnitude has been recently recalibrated at 4.6767 yielding an absolute magnitude of -1.56, almost as bright as its neighbor Alpha Ceti
at -1.62.
References
- ^ S2CID 18759600.Vizier catalog entry
- ^ S2CID 119257644.
- doi:10.1086/190179.
- S2CID 119231169.
- ^ S2CID 111387483.
- ^ a b c Kaler, James B. "LAMBDA CET (Lambda Ceti, the former "Menkar")". University of Illinois. Retrieved 2010-09-30.
- S2CID 14969137.
- S2CID 3478126, A22.
- ^ "lam Cet". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2010-09-30.
- ^ Star Name - R.H. Allen p.160
- ^ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 11 日
