HD 72659 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 72659 | |
| Constellation | Hydra | |
| Right ascension | (α) | 08h 34m 03.1895s |
| Declination | (δ) | −01° 34′ 05.583″ |
| Distance | 168 ly (51.4 pc) | |
| Spectral type | G0V | |
| Orbital elements | ||
| Semi-major axis | (a) | 4.77 AU |
| Periastron | (q) | 3.49 AU |
| Apastron | (Q) | 6.05 AU |
| Eccentricity | (e) | 0.269±0.038 |
| Orbital period | (P) | 3630±230 d (9.94 y) |
| Orbital speed | (υ) | 14.3 km/s |
| Argument of periastron |
(ω) | 258±13° |
| Time of periastron | (T0) | 2451678±89 JD |
| Semi-amplitude | (K) | 42.5±1.2 m/s |
| Physical characteristics | ||
| Mass | (m) | >3.30±0.18 MJ (>1050 M⊕) |
| Discovery information | ||
| Discovery date | 13 June 2002 | |
| Discoverer(s) | Butler, Marcy, Vogt, and Fischer | |
| Discovery method | Doppler spectroscopy | |
| Discovery site | Keck Observatory, Hawaii, United States | |
| Discovery status | Published | |
| Other designations | ||
| HIP 42030 b | ||
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 72659 b is a superjovian exoplanet[1] massing at least 3.3 MJ orbiting at 4.77 AU from the star taking 3630 days to orbit. The orbital distance range from 3.49 AU to 6.05 AU with orbital eccentricity of 0.269.
See also
References
- ↑ Butler, R. Paul; et al. (2003). "Seven New Keck Planets Orbiting G and K Dwarfs". The Astrophysical Journal. 582 (1): 455–466. Bibcode:2003ApJ...582..455B. doi:10.1086/344570.
External links
- "HD 72659". Exoplanets.
Coordinates: 
08h 34m 03.1895s, −01° 34′ 05.583″
This article is issued from Wikipedia - version of the 8/13/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.