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ELODIE metallicity-biased search for transiting Hot Jupiters IV. Intermediate period planets orbiting the stars HD 43691 and HD 132406

  • R. Da Silva*
  • , S. Udry
  • , F. Bouchy
  • , C. Moutou
  • , M. Mayor
  • , J. L. Beuzit
  • , X. Bonfils
  • , X. Delfosse
  • , M. Desort
  • , T. Forveille
  • , F. Galland
  • , G. Hébrard
  • , A. M. Lagrange
  • , B. Loeillet
  • , C. Lovis
  • , F. Pepe
  • , C. Perrier
  • , F. Pont
  • , D. Queloz
  • , N. C. Santos
  • D. Ségransan, J. P. Sivan, A. Vidal-Madjar, S. Zucker
*Corresponding author for this work
  • University of Geneva
  • Institut d'Astrophysique de Paris
  • Aix Marseille Université
  • Observatoire de Grenoble
  • University of Porto

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

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 m2 sin i = 2.5 MJup 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 m2 sin i = 5.6 MJup 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.

Original languageEnglish
Pages (from-to)323-328
Number of pages6
JournalAstronomy and Astrophysics
Volume473
Issue number1
DOIs
StatePublished - Oct 2007

Keywords

  • Planetary systems
  • Stars: individual: HD 132406
  • Stars: individual: HD 43691
  • Techniques: radial velocities

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