Tuesday, February 03, 2009

HD45364, a pair of planets in a 3:2 mean motion resonance

Precise radial-velocity measurements with the HARPS spectrograph reveal the presence of two planets orbiting the solar-type star HD45364. The companion masses are msin i = 0.187 MJup and 0.658 MJup, with semi-major axes of a = 0.681AU and 0.897AU, and eccentricities of e = 0.168 and 0.097, respectively. A dynamical analysis of the system further..

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