# HD 132406 b

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Long period Jovian exoplanet orbiting HD 132406

HD 132406 b Discovery[1] Discovered by Da Silva et al. Discovery site Geneva observatory, Switzerland Discovery date 2007 Detection method Radial velocity Orbital characteristics[2] Semi-major axis 1.969+0.06 −0.064 AU Eccentricity 0.303+0.093 −0.077 Orbital period (sidereal) 964±40 d 2.64±0.11 yr Inclination 116°+19° −18° Longitude of ascending node 74°+79° −52° Time of periastron 2455414+45 −51 Argument of periastron 219°+20° −19° Semi-amplitude 72.06 Star HD 132406 Physical characteristics[2] Mass 6.2+2.2 −1.1 MJ

**HD 132406 b** is a long-period, massive [gas giant](/source/Gas_giant) [exoplanet](/source/Exoplanet) orbiting the [Sun](/source/Sun)-like star [HD 132406](/source/HD_132406). HD 132406 b has a [minimum mass](/source/Minimum_mass) 5.61 times the mass of [Jupiter](/source/Jupiter). The [orbital distance](/source/Orbital_distance) from the star is almost twice that of from Earth to the Sun. The [orbital period](/source/Orbital_period) is 2.7 years.[1]

An [astrometric](/source/Astrometry) measurement of the planet's inclination and true mass was published in 2022 as part of [Gaia DR3](/source/Gaia_DR3),[3] and this was updated in 2023.[2]

## References

1. ^ [***a***](#cite_ref-da_Silva2007_1-0) [***b***](#cite_ref-da_Silva2007_1-1) da Silva, Ronaldo; Udry, Stéphane; Bouchy, François; Moutou, Claire; Mayor, Michel; Beuzit, Jean-Luc; Bonfils, Xavier; Delfosse, Xavier; Desort, Morgan; Forveille, Thierry; Galland, Franck; Hébrard, Guillaume; Lagrange, Anne-Marie; Loeillet, Benoit; Lovis, Christophe; Pepe, Francesco; Perrier, Christian; Pont, Frédéric; Queloz, Didier; Santos, Nuno C.; Ségransan, Damien; Sivan, Jean-Pierre; Vidal-Madjar, Alfred; Zucker, Shay (October 2007). ["ELODIE metallicity-biased search for transiting Hot Jupiters IV. Intermediate period planets orbiting the stars HD 43691 and HD 132406"](http://www.aanda.org/articles/aa/full/2007/37/aa7314-07/aa7314-07.html). *[Astronomy and Astrophysics](/source/Astronomy_and_Astrophysics)*. **473** (1): 323–328. [arXiv](/source/ArXiv_(identifier)):[0707.0958](https://arxiv.org/abs/0707.0958). [Bibcode](/source/Bibcode_(identifier)):[2007A&A...473..323D](https://ui.adsabs.harvard.edu/abs/2007A&A...473..323D). [doi](/source/Doi_(identifier)):[10.1051/0004-6361:20077314](https://doi.org/10.1051%2F0004-6361%3A20077314). [S2CID](/source/S2CID_(identifier)) [18805775](https://api.semanticscholar.org/CorpusID:18805775).

1. ^ [***a***](#cite_ref-Xiao2023_2-0) [***b***](#cite_ref-Xiao2023_2-1) [***c***](#cite_ref-Xiao2023_2-2) Xiao, Guang-Yao; Liu, Yu-Juan; et al. (May 2023). "The Masses of a Sample of Radial-Velocity Exoplanets with Astrometric Measurements". *[Research in Astronomy and Astrophysics](/source/Research_in_Astronomy_and_Astrophysics)*. **23** (5): 055022. [arXiv](/source/ArXiv_(identifier)):[2303.12409](https://arxiv.org/abs/2303.12409). [Bibcode](/source/Bibcode_(identifier)):[2023RAA....23e5022X](https://ui.adsabs.harvard.edu/abs/2023RAA....23e5022X). [doi](/source/Doi_(identifier)):[10.1088/1674-4527/accb7e](https://doi.org/10.1088%2F1674-4527%2Faccb7e).

1. **[^](#cite_ref-GaiaDR3Exoplanets_3-0)** Gaia Collaboration; et al. (2023). "*Gaia* Data Release 3". *Astronomy & Astrophysics*. **674**: A34. [arXiv](/source/ArXiv_(identifier)):[2206.05595](https://arxiv.org/abs/2206.05595). [doi](/source/Doi_(identifier)):[10.1051/0004-6361/202243782](https://doi.org/10.1051%2F0004-6361%2F202243782).

## External links

- [simulation HD 132406](https://web.archive.org/web/20071203095048/http://media4.obspm.fr/exoplanets/base/planete.php?etoile=HD+132406&planete=b)

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