HD 47186 c
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 47186 | |
| Constellation | Canis Major | |
| Right ascension | (α) | 06h 36m 08.7880s |
| Declination | (δ) | −27° 37′ 20.268″ |
| Apparent magnitude | (mV) | 7.8 |
| Distance | 123.4 ly (37.8 pc) | |
| Spectral type | G6V | |
| Mass | (m) | 0.99 M☉ |
| Temperature | (T) | 5675 ± 21 K |
| Metallicity | [Fe/H] | 0.23 ± 0.02 |
| Orbital elements | ||
| Semi-major axis | (a) | 2.395 AU |
| Periastron | (q) | 1.799 AU |
| Apastron | (Q) | 2.991 AU |
| Eccentricity | (e) | 0.249 ± 0.073 |
| Orbital period | (P) | 1353.6 ± 57.1 d (3.7059 ± 0.156 y) |
| Orbital speed | (υ) | 19.31 km/s |
| Time of periastron | (T0) | 2,452,010 ± 180 JD |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 0.35061 MJ (111.44 M⊕) |
| Discovery information | ||
| Discovery date | June 16, 2008 | |
| Discoverer(s) | Bouchy et al. | |
| Discovery method | Doppler spectroscopy | |
| Discovery site |  La Silla Observatory | |
| Discovery status | Published[1] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 47186 c is an extrasolar planet located approximately 123 light years away in the constellation of Canis Major, orbiting the star HD 47186. This planet has a minimum mass of 0.35061 times that of Jupiter, or 1.1712 times that of Saturn. It takes 1353.6 days or 3.7059 years to revolve around the star in about the same eccentricity as the dwarf planet Pluto. This planet orbits at about the same distance from the star as the asteroid Vesta is from the Sun.
References
- ↑ Bouchy, F.; et al. (2009). "The HARPS search for southern extra-solar planets. XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD 47186 and HD 181433". Astronomy and Astrophysics. 496 (2): 527–531. arXiv:0812.1608
. Bibcode:2009A&A...496..527B. doi:10.1051/0004-6361:200810669.
External links
- "HD 47186 c". Exoplanets.
Coordinates: 
06h 36m 08.7880s, −27° 37′ 20.268″
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