Astronomy:HD 191806 b
From HandWiki
Short description: Exoplanet orbiting the star HD 191806 b
| 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 astronomical unit|AU | |
| Eccentricity | 0.213+0.029 −0.028 |
| Orbital period | 4.390+0.027 −0.031 yr |
| Inclination | 66.519°+5.830° −4.851° |
| Longitude of ascending node | 160.537°+12.338° −12.970° |
| astron|astron|helion}} | 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 Jupiter mass |
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]
References
- ↑ 1.0 1.1 Díaz, Rodrigo F.; Rey, Javiera; Demangeon, Olivier D. S.; Hébrard, Guillaume; Boisse, Isabelle; Arnold, Luc; Astudillo-Defru, Nicola; Beuzit, Jean-Luc et al. (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. doi:10.1051/0004-6361/201628331. Bibcode: 2016A&A...591A.146D. http://www.aanda.org/10.1051/0004-6361/201628331.
- ↑ 2.0 2.1 2.2 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. Bibcode: 2022ApJS..262...21F.
External links
- "The Extrasolar Planet Encyclopaedia — HD 191806 b". Extrasolar Planets Encyclopaedia. 1995. https://exoplanet.eu/catalog/hd_191806_b--2623/.
- "HD 191806, HIP99306" (in en). 25 January 2015. https://www.universeguide.com/star/hd191806.
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