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HD 196885 Ab

Coordinates: Sky map 20h 39m 51.8756s, +11° 14′ 58.737″
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HD 196885 Ab
Discovery
Discovered byCorreia et al.
Discovery siteLa Silla Observatory
Discovery dateOctober 23, 2007
Radial velocity
Orbital characteristics
Apastron3.36 AU (503 Gm)
Periastron1.24 AU (186 Gm)
2.30 AU (344 Gm)
Eccentricity0.462
1349 d
3.693 y
18.6
2451236
91.4
Semi-amplitude39.5
StarHD 196885 A

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]

References

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  1. ^ 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.
  2. ^ Schneider, J. "Notes for star HD 196885". Extrasolar Planets Encyclopaedia. Archived from the original on July 2, 2007. Retrieved 2008-08-19.
  3. ^ 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].
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