HD 191806 b is an exoplanet orbiting HD 191806, a K-type star. It has a minimum mass 8.52 times that of Jupiter. It does not orbit within the habitable zone.[1] In 2022, the inclination and true mass of HD 191806 b were measured via astrometry.[2]

HD 191806 b
Discovery
Discovered byR. F. Díaz et al.[1]
Discovery siteHaute-Provence Observatory
Discovery dateApril 26, 2016
Transit method
Orbital characteristics[2]
2.749+0.106
−0.118
 AU
Eccentricity0.213+0.029
−0.028
4.390+0.027
−0.031
 yr
Inclination66.519°+5.830°
−4.851°
160.537°+12.338°
−12.970°
2451758.874+43.595
−33.839
346.184°+5.623°
−5.388°
Semi-amplitude144.660+3.416
−2.931
 m/s
StarHD 191806
Physical characteristics[2]
Mass9.334+0.919
−0.852
 MJ

References

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  1. ^ a b Díaz, Rodrigo F.; Rey, Javiera; Demangeon, Olivier D. S.; Hébrard, Guillaume; Boisse, Isabelle; Arnold, Luc; Astudillo-Defru, Nicola; Beuzit, Jean-Luc; Bonfils, Xavier; Borgniet, Simon; Bouchy, François; Bourrier, Vincent; Courcol, Bastien; Deleuil, Magali; Delfosse, Xavier; Ehrenreich, David; Forveille, Thierry; Lagrange, Anne-Marie; Mayor, Michel; Moutou, Claire; Pepe, Francesco; Queloz, Didier; Santerne, Alexandre; Santos, Nuno C.; Sahlmann, Johannes; Ségransan, Damien; Udry, Stéphane; Wilson, Paul A. (2016). "The SOPHIE search for northern extrasolar planets XI. Three new companions and an orbit update: Giant planets in the habitable zone". Astronomy & Astrophysics. 591: A146. arXiv:1604.07610. Bibcode:2016A&A...591A.146D. doi:10.1051/0004-6361/201628331. S2CID 3282336.
  2. ^ a b c 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.
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