HD 191806 b

HD 191806 b
Exoplanet List of exoplanets
Parent star
Star HD 191806
Constellation Cygnus
Right ascension (α) 20h 09m 28.3096s[1]
Declination (δ) +21° 21′ 12.96″[1]
Apparent magnitude (mV) 8.093[2]
Spectral type K0[3]
Mass (m) 1.14 ± 0.12[2] M☉
Temperature (T) 6010 ± 30[2] K
Metallicity [Fe/H] +0.30 ± 0.02[2]
Age 2.9 ± 0.4[2] Gyr
Orbital elements
Epoch JD 2455158.6766[2]
Semi-major axis(a) 2.80 ± 0.10[2] AU
Eccentricity (e) 0.259 ± 0.017[2]
Orbital period(P) 4.398 ± 0.020[2] y
Argument of
periastron		 (ω) 4.0 ± 4.2[2]°
Physical characteristics
Minimum mass(m sin i)8.52 ± 0.63[2] MJ
Discovery information
Discovery date April 26, 2016
Discoverer(s) R. F. Díaz et al.[2]
Discovery method Transit method
Discovery site Haute-Provence Observatory
Discovery status Confirmed

HD 191806 b is an exoplanet orbiting HD 191806, a K-type star. It has at least 8.52 times the mass of Jupiter. It does not orbit within the habitable zone.[2]

References

  1. 1 2 Gaia Collaboration (2016). "Gaia Data Release 1". Astronomy & Astrophysics. 595: A2. arXiv:1609.04172. Bibcode:2016A&A...595A...2G. doi:10.1051/0004-6361/201629512.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 Díaz, R. F; Rey, J; Demangeon, O; Hébrard, G; Boisse, I; Arnold, L; Astudillo-Defru, N; Beuzit, J.-L; Bonfils, X; Borgniet, S; Bouchy, F; Bourrier, V; Courcol, B; Deleuil, M; Delfosse, X; Ehrenreich, D; Forveille, T; Lagrange, A.-M; Mayor, M; Moutou, C; Pepe, F; Queloz, D; Santerne, A; Santos, N. C; Sahlmann, J; Ségransan, D; Udry, S; Wilson, P. A (2016). "The SOPHIE search for northern extrasolar planets". Astronomy & Astrophysics. 591: A146. arXiv:1604.07610. Bibcode:2016A&A...591A.146D. doi:10.1051/0004-6361/201628331.
  3. ↑ "HD 191806". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 22 April 2018.
  • "The Extrasolar Planet Encyclopaedia — HD 191806 b". exoplanet.eu. Retrieved 2018-04-17.
  • "HD 191806, HIP99306". Universe Guide. Retrieved 2018-04-17.
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