Epsilon Ceti

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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
Spectral type F2V + F7/G4V[2]
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
Other designations
83 Cet, HD 16620, HR 781, BD–12°501, HIP 12390, SAO 148528[3]

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.


  1. ^ a b c d 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
  2. ^ a b c d 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. 
  3. ^ a b "* eps Cet -- Spectroscopic binary". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2014-12-25.