HD 147018 c
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 147018 | |
| Constellation | Triangulum Australe | |
| Right ascension | (α) | 16h 23m 00.1463s |
| Declination | (δ) | −61° 41′ 19.542″ |
| Apparent magnitude | (mV) | 8.4 |
| Distance | 140.12 ± 5.2 ly (42.96 ± 1.6 pc) | |
| Spectral type | G9V | |
| Orbital elements | ||
| Semi-major axis | (a) | 1.922 ± 0.039 AU |
| Periastron | (q) | 1.666 AU |
| Apastron | (Q) | 2.178 AU |
| Eccentricity | (e) | 0.133 ± 0.011 |
| Orbital period | (P) | 1008 ± 18 d (2.76 ± 0.049 y) |
| Argument of periastron |
(ω) | -133.1 ± 6.9° |
| Time of periastron | (T0) | 55301 ± 22 JD |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 6.56 ± 0.32 MJ |
| Discovery information | ||
| Discovery date | August 11, 2009 | |
| Discoverer(s) | Segransan et al. | |
| Discovery method | radial velocity (CORALIE) | |
| Discovery site | La Silla Observatory | |
| Discovery status | Published | |
| Other designations | ||
| HIP 80250 c | ||
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 147018 c is a gas giant extrasolar planet which orbits the G-type main sequence star HD 147018, located approximately 140 light years away in the constellation Triangulum Australe. It has mass at least six and a half time more than Jupiter and orbits HD 147018 nearly twice the distance between the Earth and the Sun. This planet is eight times farther away than HD 147018 b. This planet was discovered on August 11, 2009 by radial velocity method.
References
- Segransan; et al. (February 2010). "The CORALIE survey for southern extrasolar planets. XVI. Discovery of a planetary system around HD 147018 and of two long period and massive planets orbiting HD 171238 and HD 204313". Astronomy & Astrophysics. 511. article A45. arXiv:0908.1479
. Bibcode:2010A&A...511A..45S. doi:10.1051/0004-6361/200912136.
Coordinates: 
16h 23m 00.1463s, −61° 41′ 19.542″
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