Epsilon Ceti
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cetus |
| Right ascension | 02h 39m 33.829s[1] |
| Declination | –11° 52′ 19.71″[1] |
| Apparent magnitude (V) | +4.84 |
| Characteristics | |
| Spectral type | F2V + F7/G4V[2] |
| Astrometry | |
| Proper motion (μ) | RA: 161.62 ± 2.53[1] mas/yr Dec.: –230.53 ± 2.51[1] mas/yr |
| Parallax (π) | 37 ± 0.68[2] mas |
| Distance | 88 ± 2 ly (27.0 ± 0.5 pc) |
| Absolute magnitude (MV) | +2.67 |
| Details | |
| Other designations | |
Epsilon Ceti (ε Ceti) is a star located in the constellation Cetus. Epsilon Ceti is also known as 83 Cet, HD 16620. Epsilon Ceti is a spectroscopic binary star.[3]
Epsilon Ceti A is a F2V star while Epsilon Ceti B is somewhere in the range between F7V and G4V.[2] The total system has apparent visual magnitude of +4.84, and an absolute visual magnitude of +2.67, with each component having visual magnitude of 5.6. The system is located 79 ly from the Sun.[2]
Epsilon Ceti is located at right ascension 02h 39m 33.80s and declination -11deg 52 arcmin 20 arcsec.
References
- 1 2 3 4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- 1 2 3 4 Docobo, J. A.; Andrade, M. (2013). "Dynamical and physical properties of 22 binaries discovered by W. S. Finsen". Monthly Notices of the Royal Astronomical Society 428 (1): 321–339. Bibcode:2013MNRAS.428..321D. doi:10.1093/mnras/sts045.
- 1 2 "* eps Cet -- Spectroscopic binary". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2014-12-25.
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