HD 132406 is a Sun-like G-type star (about 0.97 solar masses, 5,766 K), 70.8 light-years from Earth. HD 132406 b is a 5.94-Jupiter-mass companion, with an orbital period of 2.49 years, on an eccentric orbit (e ≈ 0.25), discovered in 2007 via radial velocity. The planet betrayed itself through the star's reflex motion — a technique that first revealed worlds around Sun-like stars in the 1990s and remains a workhorse of exoplanet discovery. The planet's marked eccentricity suggests past scattering events or perturbations from unseen companions.

HD 132406 - System

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