HD 196885 Ab (also referred to as HD 196885 b) is a Jovian planet with a minimum mass 2.96 times the mass of Jupiter.[1][2] This planet was discovered on October 23, 2007. In 2022, the planet's inclination and true mass were measured via astrometry, showing it to be about 3.39 MJ.[3]
| Discovery | |
|---|---|
| Discovered by | Correia et al. |
| Discovery site | La Silla Observatory |
| Discovery date | October 23, 2007 |
| Radial velocity | |
| Orbital characteristics | |
| Apastron | 3.36 AU (503 Gm) |
| Periastron | 1.24 AU (186 Gm) |
| 2.30 AU (344 Gm) | |
| 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
edit- ^ 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. S2CID 119261807.
- ^ Schneider, J. "Notes for star HD 196885". Extrasolar Planets Encyclopaedia. Archived from the original on July 2, 2007. Retrieved 2008-08-19.
- ^ Chauvin, G.; Videla, M.; Beust, H.; Mendez, R.; Correia, A. C. M.; Lacour, S.; Tokovinin, A.; Hagelberg, J.; Bouchy, F.; Boisse, I.; Villegas, C.; Bonavita, M.; Desidera, S.; Faramaz, V.; Forveille, T.; Gallenne, A.; Haubois, X.; Jenkins, J. S.; Kervella, P.; Lagrange, A. -M.; Melo, C.; Thebault, P.; Udry, S.; Segransan, D. (2022). "Chasing extreme planetary architectures: I- HD196885Ab, a super-Jupiter dancing with two stars?". arXiv:2211.00994 [astro-ph.EP].
External links
edit- "HD 196885". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-11-04.
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