EDP Sciences
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Volume 487, Number 1, August III 2008
Page(s) 369 - 372
Section Planets and planetary systems
DOI http://dx.doi.org/10.1051/0004-6361:200809402
Published online 29 May 2008

A&A 487, 369-372 (2008)
DOI: 10.1051/0004-6361:200809402

ELODIE metallicity-biased search for transiting Hot Jupiters

V. An intermediate-period Jovian planet orbiting HD 45652
N. C. Santos1, 2, S. Udry2, F. Bouchy3, R. Da Silva2, B. Loeillet3, 4, M. Mayor2, C. Moutou4, F. Pont2, D. Queloz2, S. Zucker5, D. Naef2, 6, F. Pepe2, D. Ségransan2, I. Boisse3, X. Bonfils1, 7, 8, X. Delfosse7, M. Desort7, T. Forveille7, G. Hébrard3, A.-M. Lagrange7, C. Lovis2, C. Perrier7, and A. Vidal-Madjar3

1  Centro de Astrofísica, Universidade do Porto, Rua das Estrelas, 4150-762 Porto, Portugal
    e-mail: nuno@astro.up.pt
2  Observatoire de Genève, 51 Ch. des Maillettes, 1290 Sauverny, Switzerland
3  Institut d'Astrophysique de Paris, UMR7095 CNRS, Université Pierre & Marie Curie, 98bis Bd Arago, 75014 Paris, France
4  Laboratoire d'Astrophysique de Marseille, Traverse du Siphon, 13376 Marseille Cedex 12, France
5  Department of Geophysics and Planetary Sciences, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel
6  European Southern Observatory, Casilla 19001, Santiago 19, Chile
7  Laboratoire d'Astrophysique, Observatoire de Grenoble, UJF, CNRS, BP 53, 38041 Grenoble Cedex 9, France
8  Centro de Astrofísica da Universidade de Lisboa, Observatório Astronómico de Lisboa, Tapada da Ajuda, 1349-018 Lisboa, Portugal

Received 15 January 2008 / Accepted 30 April 2008

We present the detection of a 0.47  $M_{{\rm Jup}}$ planet in a 44-day period eccentric trajectory (e = 0.39) orbiting the metal-rich star HD 45652 . 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 HD 45652b places it in the middle of the "gap" in the period distribution of extra-solar planets.

Key words: stars: individual: HD 45652 -- stars: planetary systems -- planetary systems: formation -- techniques: radial velocities -- stars: fundamental parameters

© ESO 2008

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