HD 70573 b
HD 70573 b is a superjovian planet orbiting the youngest RV host star HD 70573 approximately 149 light-years away in the constellation of Hydra. The discovery of the planet is important because it enables the study of debris disks around young stars in relation to presence of planets.
| Discovery | |
|---|---|
| Discovered by | Setiawan et al. |
| Discovery date | March 19, 2007 |
| radial velocity | |
| Orbital characteristics | |
| Apastron | 2.50 AU (374,000,000 km) |
| Periastron | 1.02 AU (153,000,000 km) |
| 1.76 ± 0.05 AU (263,300,000 ± 7,500,000 km) | |
| Eccentricity | 0.4 ± 0.1 |
| 851.8 ± 11.6 d 2.332 y | |
| 2,452,106.54 ± 25.72 | |
| 269.6 ± 14.3 | |
| Semi-amplitude | 149 |
| Star | HD 70573 |
References
- Setiawan; Weise, P.; Henning, Th.; Launhardt, R.; Müller, A.; Rodmann, J. (2007). "Evidence for a Planetary Companion around a Nearby Young Star" (abstract). The Astrophysical Journal Letters. 660 (2): L145–L148. arXiv:0704.0441. Bibcode:2007ApJ...660L.145S. doi:10.1086/518213. web preprint
External links
- "Notes for planet HD 70573 b". The Extrasolar Planets Encyclopaedia.
- "HD 70573". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-08-02.
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