HD 27631 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 27631 | |
| Constellation | Horologium | |
| Right ascension | (α) | 04h 19m 45.469s[2] |
| Declination | (δ) | –41° 57′ 36.97″[2] |
| Distance | 148 ± 5[2] ly (45 ± 1[2] pc) | |
| Spectral type | G3IV | |
| Orbital elements | ||
| Semi-major axis | (a) | 3.25 ± 0.07 AU |
| Eccentricity | (e) | 0.12 ± 0.06 |
| Orbital period | (P) | 2208 ± 66 d |
| Time of periastron | (T0) | 2.45387e+06 ± 224 JD |
| Physical characteristics | ||
| Mass | (m) | >1.45 ± 0.14 MJ |
| Discovery information | ||
| Discovery date | Sept. 13, 2011 | |
| Discoverer(s) | MARMIER et al.[1] | |
| Discovery method | doppler spectroscopy | |
| Discovery site | HARPS | |
| Discovery status | Published[1] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 27631 b is an extrasolar planet that has more mass than Jupiter. It orbits 3.25 AU from the star, taking six years to revolve around the parent star HD 27631. Its orbit is eccentric, around 12%.[1]
References
- 1 2 3 4 Marmier, M.; et al. (2013). "The CORALIE survey for southern extrasolar planets XVII. New and updated long period and massive planets". Astronomy and Astrophysics 551. A90. arXiv:1211.6444. Bibcode:2013A&A...551A..90M. doi:10.1051/0004-6361/201219639.
- 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
External links
- "HD 27631". Exoplanets.
Coordinates: 
04h 19m 45.005s, −41° 57′ 37″
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