EDP Sciences
Free access
Issue
A&A
Volume 473, Number 1, October I 2007
Page(s) 323 - 328
Section Planets and planetary systems
DOI http://dx.doi.org/10.1051/0004-6361:20077314


A&A 473, 323-328 (2007)
DOI: 10.1051/0004-6361:20077314

ELODIE metallicity-biased search for transiting Hot Jupiters

IV. Intermediate period planets orbiting the stars HD 43691 and HD 132406
R. Da Silva1, S. Udry1, F. Bouchy2, C. Moutou3, M. Mayor1, J.-L. Beuzit4, X. Bonfils4, X. Delfosse4, M. Desort4, T. Forveille4, F. Galland4, G. Hébrard2, A.-M. Lagrange4, B. Loeillet3, C. Lovis1, F. Pepe1, C. Perrier4, F. Pont1, D. Queloz1, N. C. Santos1, 5, D. Ségransan1, J.-P. Sivan3, A. Vidal-Madjar2, and S. Zucker6

1  Observatoire Astronomique de l'Université de Genève, 1290 Sauverny, Switzerland
    e-mail: Ronaldo.daSilva@obs.unige.ch
2  Institut d'Astrophysique de Paris, UMR7095 CNRS, Université Pierre & Marie Curie, 98bis bd Arago, 75014 Paris, France
3  Laboratoire d'Astrophysique de Marseille, UMR6110 CNRS, Université de Provence, Traverse du Siphon, BP 8, 13376 Marseille Cedex 12, France
4  Laboratoire d'Astrophysique de Grenoble, BP 53X, 38041 Grenoble Cedex, France
5  Centro de Astrofísica, Universidade do Porto, Rua das Estrelas, 4150-762 Porto, Portugal
6  Department of Geophysics and Planetary Sciences, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel

(Received 16 February 2007 / Accepted 4 July 2007)

Abstract
We report here the discovery of two planet candidates as a result of our planet-search programme biased in favour of high-metallicity stars, using the ELODIE spectrograph at the Observatoire de Haute Provence. One candidate has a minimum mass $m_2\sin{i} = 2.5$  $M_{\rm Jup}$ and is orbiting the metal-rich star HD 43691 with period P = 40 days and eccentricity e=0.14. The other planet has a minimum mass $m_2\sin{i} =
5.6$  $M_{\rm Jup}$ and orbits the slightly metal-rich star HD 132406 with period P=974 days and eccentricity e = 0.34. Additional observations for both stars were performed using the new SOPHIE spectrograph that replaces the ELODIE instrument, allowing an improved orbital solution for the systems.


Key words: stars: individual: HD 43691 -- stars: individual: HD 132406 -- planetary systems -- techniques: radial velocities



© ESO 2007

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