79 Ceti b

79 Ceti b
An artist's conception of 79 Ceti b (min mass ~0.26 MJ), an exoplanet with a mass less than Saturn
Discovery[1][2]
Discovered byCalifornia and
Carnegie Planet Search
Discovery siteW. M. Keck Observatory
Discovery dateMarch 29, 2000
Doppler spectroscopy
Orbital characteristics
0.363 ± 0.021 AU (54,300,000 ± 3,100,000 km)
Eccentricity0.252±0.052
75.523±0.055 d
2,450,338.0±3.0
42±14
Semi-amplitude11.99±0.87
Star79 Ceti
Physical characteristics
Mass>0.260±0.028 MJ

79 Ceti b (also known as HD 16141 b) is an extrasolar planet orbiting 79 Ceti every 75 days. Discovered along with HD 46375 b on March 29, 2000, it was the joint first known extrasolar planet to have minimum mass less than the mass of Saturn.[1][2]

See also

References

  1. ^ a b "Keck astronomers discover planets smaller than saturn" (Press release). Kamuela, Hawaii: W. M. Keck Observatory. March 29, 2000. Retrieved August 13, 2019.
  2. ^ a b Marcy, Geoffrey W.; et al. (2000). "Sub-Saturn Planetary Candidates of HD 16141 and HD 46375". The Astrophysical Journal Letters. 536 (1): L43–L46. arXiv:astro-ph/0004326. Bibcode:2000ApJ...536L..43M. doi:10.1086/312723. PMID 10849416. S2CID 119530785.



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