HD 132406 b

HD 132406 b is a long-period, massive gas giant exoplanet orbiting the Sun-like star HD 132406. HD 132406 b has a minimum mass 5.61 times the mass of Jupiter. The orbital distance from the star is almost twice that of from Earth to the Sun. The orbital period is 2.7 years.[1]

HD 132406 b
Discovery[1]
Discovered byDa Silva et al.
Discovery siteGeneva observatory, Switzerland
Discovery date2007
Radial velocity
Orbital characteristics[2]
1.969+0.06
−0.064 AU
Eccentricity0.303+0.093
−0.077
964±40 d
2.64±0.11 yr
Inclination116°+19°
−18°
74°+79°
−52°
2455414+45
−51
219°+20°
−19°
Semi-amplitude72.06
StarHD 132406
Physical characteristics[2]
Mass6.2+2.2
−1.1 MJ

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

    References
    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". Astronomy and Astrophysics. 473 (1): 323–328. arXiv:0707.0958. Bibcode:2007A&A...473..323D. doi:10.1051/0004-6361:20077314. S2CID 18805775.
    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. 23 (5): 055022. arXiv:2303.12409. Bibcode:2023RAA....23e5022X. doi:10.1088/1674-4527/accb7e.
    3. Gaia Collaboration; et al. (2022). "Gaia Data Release 3: Stellar multiplicity, a teaser for the hidden treasure". arXiv:2206.05595 [astro-ph.SR].
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