Astronomy:HD 72659 b

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Short description: Extrasolar planet
HD 72659 b
Discovery
Discovered byButler, Marcy, Vogt,
and Fischer
Discovery siteKeck Observatory, Hawaii, United States
Discovery date13 June 2002
Doppler spectroscopy
Orbital characteristics[1]
4.691+0.185
−0.202
 astronomical unit|AU
Eccentricity0.257+0.014
−0.016
Orbital period9.718+0.052
−0.043
 yr
Inclination77.583°+39.898°
−39.755°
Longitude of ascending node204.866°+69.102°
−68.721°
astron|astron|helion}}2448147.062+43.195
−47.937
259.451°+3.318°
−3.560°
Semi-amplitude37.908+0.613
−0.551
 m/s
StarHD 72659
Physical characteristics[1]
Mass2.988+2.586
−0.098
 Jupiter mass


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 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

References

  1. 1.0 1.1 1.2 Feng, Fabo et al. (August 2022). "3D Selection of 167 Substellar Companions to Nearby Stars". The Astrophysical Journal Supplement Series 262 (21): 21. doi:10.3847/1538-4365/ac7e57. Bibcode2022ApJS..262...21F. 
  2. Butler, R. Paul et al. (2003). "Seven New Keck Planets Orbiting G and K Dwarfs". The Astrophysical Journal 582 (1): 455–466. doi:10.1086/344570. Bibcode2003ApJ...582..455B. http://www.iop.org/EJ/article/0004-637X/582/1/455/56131.html. 

External links

Coordinates: Sky map 08h 34m 03.1895s, −01° 34′ 05.583″