HD 114783 b
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Exoplanet that has a minimum mass similar to Jupiter
| Discovery | |
|---|---|
| Discovered by | Vogt, Butler, Marcy et al. |
| Discovery site | Keck Observatory |
| Discovery date | October 15, 2001 |
| Radial velocity | |
| Orbital characteristics | |
| Apastron | 1.268 AU (189,700,000 km) |
| Periastron | 1.070 AU (160,100,000 km) |
| 1.169 ± 0.068 AU (174,900,000 ± 10,200,000 km) | |
| Eccentricity | 0.085 ± 0.033 |
| 496.9 ± 2.3 d 1.360 y | |
Average orbital speed | 25.69 |
| 2,450,840 ±37 | |
| 93 ± 25 | |
| Semi-amplitude | 30.2±0.75 |
| Star | HD 114783 |
HD 114783 b is an exoplanet that has a minimum mass almost exactly that of Jupiter. However, since the true mass is not known, it may be more massive, but not likely much. It orbits the star 20% further than Earth orbits the Sun. The orbit is quite circular.[1] [2]
See also
[edit ]References
[edit ]- ^ Vogt, Steven S.; et al. (2002). "Ten Low-Mass Companions from the Keck Precision Velocity Survey". The Astrophysical Journal. 568 (1): 352–362. arXiv:astro-ph/0110378 . Bibcode:2002ApJ...568..352V. doi:10.1086/338768. S2CID 2272917.
- ^ Butler, R. P.; 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. S2CID 119067572.
External links
[edit ]- "HD 114783". Exoplanets. Archived from the original on 2012年03月04日. Retrieved 2008年11月04日.
