Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008a%26a...479..271c&link_type=abstract
Astronomy and Astrophysics, Volume 479, Issue 1, February III 2008, pp.271-275
Astronomy and Astrophysics
Astrophysics
24
Stars: Individual: Hd& 196885 A, Stars: Individual:, Hd 196885 B, Stars: Binaries: Visual, Stars: Planetary Systems, Techniques: Radial Velocities, Methods: Observational
Scientific paper
Aims:We aim to significantly increase the number of detected extra-solar planets in a magnitude-limited sample to improve our knowledge of their orbital element distributions and thus obtain better constraints for planet-formation models. Methods: Radial-velocity data were taken at Haute-Provence Observatory (OHP, France) with the ELODIE echelle spectrograph. Results: We report the presence of a planet orbiting HD 196885 A, with an orbital period of 1349 days. This star was previously suggested to host a 386 -day planet, but we cannot confirm its existence. We also detect the presence of a stellar companion, HD 196885 B, and give some constraints on its orbit.
Beuzit Jean Luc
Correia Alexandre C. M.
Eggenberger Anne
Mayor Marcel
Naef Dominique
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