HD 196885 Ab
HD 196885 Ab (also referred to as HD 196885 b) is a jovian planet with at least 2.96 times the mass of Jupiter.[1][2] This planet was discovered on October 23, 2007.
| Discovery | |
|---|---|
| Discovered by | Correia et al. |
| Discovery site | La Silla Observatory |
| Discovery date | October 23, 2007 |
| Doppler spectroscopy (Swiss telescope) | |
| Orbital characteristics | |
| Apastron | 3.36 AU (503,000,000 km) |
| Periastron | 1.24 AU (186,000,000 km) |
| 2.30 AU (344,000,000 km) | |
| Eccentricity | 0.462 |
| 1349 d 3.693 y | |
Average orbital speed | 18.6 |
| 2451236 | |
| 91.4 | |
| Semi-amplitude | 39.5 |
| Star | HD 196885 A |
References
- Correia, A. C. M.; Udry, S.; Mayor, M.; Eggenberger, A.; Naef, D.; Beuzit, J.-L.; Perrier, C.; Queloz, D.; Sivan, J.-P.; Pepe, F.; Santos, N. C.; Ségransan, D. (2008). "The ELODIE survey for northern extra-solar planets. IV. HD 196885, a close binary star with a 3.7-year planet". Astronomy and Astrophysics. 479 (1): 271–275. arXiv:0711.3343. Bibcode:2008A&A...479..271C. doi:10.1051/0004-6361:20078908.
- Schneider, J. "Notes for star HD 196885". The Extrasolar Planets Encyclopaedia. Retrieved 2008-08-19.
External links
- "HD 196885". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-11-04.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.