HD 72659 b

HD 72659 b

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[1]
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[1]
Mass	2.988+2.586 −0.098 MJ

HD 72659 b is a superjovian exoplanet massing at least 3.3 M_J 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.^[2] In 2022, the inclination and true mass of HD 72659 b were measured via astrometry.^[1]

See also

• HD 73256

References

1. 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.
2. 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.