HD 196885 Ab
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 196885 A | |
| Constellation | Delphinus | |
| Right ascension | (α) | 20h 39m 51.8756s |
| Declination | (δ) | +11° 14′ 58.737″ |
| Distance | 112 ly (34.3 pc) | |
| Spectral type | F8IV | |
| Orbital elements | ||
| Semi-major axis | (a) | 2.30 AU |
| Periastron | (q) | 1.24 AU |
| Apastron | (Q) | 3.36 AU |
| Eccentricity | (e) | 0.462 |
| Orbital period | (P) | 1349 d (3.693 y) |
| Orbital speed | (υ) | 18.6 km/s |
| Argument of periastron |
(ω) | 91.4° |
| Time of periastron | (T0) | 2451236 JD |
| Semi-amplitude | (K) | 39.5 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 2.96 MJ (941 M⊕) |
| Discovery information | ||
| Discovery date | October 23, 2007 | |
| Discoverer(s) | Correia et al. | |
| Discovery method | Doppler spectroscopy (Swiss telescope) | |
| Discovery site | La Silla Observatory | |
| Discovery status | Published | |
| Other designations | ||
| HIP 101966 b | ||
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
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.
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. 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.
Coordinates: 
20h 39m 51.8756s, +11° 14′ 58.737″
This article is issued from Wikipedia - version of the 5/31/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.