Astronomy:HD 159868 b
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Short description: Extrasolar jovian planet that orbits HD 159868 in the constellation Scorpius
| Discovery | |
|---|---|
| Discovered by | O'Toole et al. |
| Discovery date | February 9, 2007 |
| radial velocity | |
| Orbital characteristics | |
| 2.25 ± 0.03 AU (336.6 ± 4.5 Gm)[1] | |
| Eccentricity | 0.01±0.03 |
| Orbital period | 1178.4±8.8 d |
| astron|astron|helion}} | 2,453,435±56 JD |
| 350°±171° | |
| Semi-amplitude | 38.3±1.1 km/s |
| Physical characteristics | |
| Mass | ≥2.10±0.11 Jupiter mass |
HD 159868 b is an extrasolar planet that orbits HD 159868. It is a jovian planet.[2] The orbit is nearly circular at the average distance of 2.25 AU.[1]
See also
References
- ↑ 1.0 1.1 Wittenmyer, Robert A. et al. (2012). "The Anglo-Australian Planet Search. XXII. Two New Multi-planet Systems". The Astrophysical Journal 753 (2): 169. doi:10.1088/0004-637X/753/2/169. Bibcode: 2012ApJ...753..169W.
- ↑ O'Toole, Simon J. et al. (2007). "New Planets around Three G Dwarfs". The Astrophysical Journal 660 (2): 1636–1641. doi:10.1086/513563. Bibcode: 2007ApJ...660.1636O. http://www.iop.org/EJ/article/0004-637X/660/2/1636/70956.html.
Coordinates: 
17h 38m 59.526s, −43° 08′ 43.85″
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