| Discovery | |
|---|---|
| Discovered by | Butler, Marcy, Vogt, and Fischer |
| Discovery site | Keck Observatory, Hawaii, United States |
| Discovery date | 13 June 2002 |
| Detection method | Doppler spectroscopy |
| Orbital characteristics | |
| Semi-major axis | 4.691+0.185 −0.202 AU |
| Eccentricity | 0.257+0.014 −0.016 |
| Orbital period (sidereal) | 9.718+0.052 −0.043 yr |
| Inclination | 77.583°+39.898° −39.755° |
| Longitude of ascending node | 204.866°+69.102° −68.721° |
| Time of periastron | 2448147.062+43.195 −47.937 |
| Argument of periastron | 259.451°+3.318° −3.560° |
| Semi-amplitude | 37.908+0.613 −0.551 m/s |
| Star | HD 72659 |
| Physical characteristics | |
| Mass | 2.988+2.586 −0.098 MJ |
HD 72659 b is a superjovian exoplanet massing at least 3.3 MJ orbiting at 4.77 AU from the star, taking 3630 days to complete one orbit. The orbital distance range from 3.49 AU to 6.05 AU with orbital eccentricity of 0.269. In 2022, the inclination and true mass of HD 72659 b were measured via astrometry.
See also
References
- ^ Feng, Fabo; Butler, R. Paul; et al. (August 2022). "3D Selection of 167 Substellar Companions to Nearby Stars". The Astrophysical Journal Supplement Series. 262 (21): 21. arXiv:2208.12720. Bibcode:2022ApJS..262...21F. doi:10.3847/1538-4365/ac7e57. S2CID 251864022.
- 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. CiteSeerX 10.1.1.7.6988. doi:10.1086/344570. S2CID 17608922.
External links
- "HD 72659". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-10-31.
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