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]
| Discovery | |
|---|---|
| Discovered by | R. F. Díaz et al.[1] |
| Discovery site | Haute-Provence Observatory |
| Discovery date | April 26, 2016 |
| Transit method | |
| Orbital characteristics[2] | |
| 2.749+0.106 −0.118 AU | |
| Eccentricity | 0.213+0.029 −0.028 |
| 4.390+0.027 −0.031 yr | |
| Inclination | 66.519°+5.830° −4.851° |
| 160.537°+12.338° −12.970° | |
| 2451758.874+43.595 −33.839 | |
| 346.184°+5.623° −5.388° | |
| Semi-amplitude | 144.660+3.416 −2.931 m/s |
| Star | HD 191806 |
| Physical characteristics[2] | |
| Mass | 9.334+0.919 −0.852 MJ |
References
edit- ^ 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.
- ^ 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.
External links
edit- "The Extrasolar Planet Encyclopaedia — HD 191806 b". Extrasolar Planets Encyclopaedia. 1995. Retrieved 2018-04-17.
- "HD 191806, HIP99306". Universe Guide. 25 January 2015. Retrieved 2018-04-17.
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