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The CORALIE survey for southern extra-solar planets

2003/10/31 by M. Mayor, S. Udry, D. Naef +4 · 16 citations
Physics and Astronomy · #Astro and Planetary Science #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.1051/0004-6361:20034250

published as Astron.Astrophys. 415 (2004) 391-402 · 13 pages, 6 figures, accepted for publication in A&A. Langage editing changes

arxiv created 2003/11/10 · openalex publication_date 2004/02/01 · arxiv updated 2009/12/01 · openalex created_date 2022/08/24 · openalex updated_date 2026/07/31

Abstract

This paper summarizes the information gathered for 16 still unpublished exoplanet candidates discovered with the CORALIE echelle spectrograph mounted on the Euler Swiss telescope at La Silla Observatory. Amongst these new candidates, 10 are typical extrasolar Jupiter-like planets on intermediate- or long-period (100 < P ≤ 1350 d) and fairly eccentric (0.2 ≤ e ≤ 0.5) orbits (HD 19994, HD 65216, HD 92788, HD 111232, HD 114386, HD 142415, HD 147513, HD 196050, HD 216437, HD 216770). Two of these stars are in binary systems. The next 3 candidates are shorter-period planets (HD 6434, HD 121504) with lower eccentricities among which we find a hot Jupiter (HD 83443). More interesting cases are given by the multiple-planet systems HD 82943 and HD 169830. The former is a resonant = 2/1 system in which planet-planet interactions are influencing the system evolution. The latter is more hierarchically structured.

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