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ELODIE metallicity-biased search for transiting Hot Jupiters V. An intermediate-period Jovian planet orbiting HD45652

N. C. Santos, S. Udry, F. Bouchy, R. da Silva, B. Loeillet, M. Mayor, C. Moutou, F. Pont, D. Queloz, S. Zucker, D. Naef, F. Pepe, D. Ségransan, I. Boisse, X. Bonfils, X. Delfosse, M. Desort, T. Forveille, G. Hébrard, A.-M. Lagrange, C. Lovis, C. Perrier, A. Vidal-Madjar

We present the detection of a 0.47 MJup planet in a 44-day period eccentric trajectory (e = 0.39) orbiting the  metal-rich star HD45652.
This planet, the seventh giant planet discovered in the context of the ELODIE metallicity-biased planet search program, is also confirmed using higher precision radial-velocities obtained with the CORALIE and SOPHIE spectrographs. The orbital period of HD45652b places it in the middle of the “gap” in the period distribution of extra-solar planets.

Astronomy & Astrophysics
Volume 487, Page 369
2008 August

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Faculdade de Ciências da Universidade de Lisboa Universidade do Porto Faculdade de Ciências e Tecnologia da Universidade de Coimbra
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia