79 Ceti b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | 79 Ceti | |
| Constellation | Cetus | |
| Right ascension | (α) | 02h 35m 19.93s[1] |
| Declination | (δ) | −03° 33′ 38.2″[1] |
| Distance | 127 ± 3[1] ly (39 ± 1[1] pc) | |
| Spectral type | G5IV | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.363±0.021 AU |
| Eccentricity | (e) | 0.252±0.052 |
| Orbital period | (P) | 75.523±0.055 d |
| Argument of periastron |
(ω) | 42±14° |
| Time of periastron | (T0) | 2,450,338.0±3.0 JD |
| Semi-amplitude | (K) | 11.99±0.87 m/s |
| Physical characteristics | ||
| Mass | (m) | >0.260±0.028 MJ |
| Discovery information | ||
| Discovery date | March 29, 2000 | |
| Discoverer(s) | Marcy et al. | |
| Discovery method | Doppler Spectroscopy | |
| Discovery site | Calif., USA | |
| Discovery status | Published | |
79 Ceti b (also known as HD 16141 b) is an extrasolar planet orbiting its star every 75 days. 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.[2]
See also
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
- ↑ 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.
- Butler, J. T.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701.
External links
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