Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...354...99q&link_type=abstract
Astronomy and Astrophysics, v.354, p.99-102 (2000)
Astronomy and Astrophysics
Astrophysics
172
Stars: Planetary Systems, Stars: Individual: Gj 86, Stars: Low-Mass, Brown Dwarfs, Stars: Binaries: Spectroscopic
Scientific paper
A 4 M_J planet with a 15.8 day orbital period has been detected from very precise radial velocity measurements with the CORALIE echelle spectrograph. A second remote and more massive companion has also been detected. All the planetary companions so far detected in orbit closer than 0.08 AU have a parent star with a statistically higher metal content compared to the metallicity distribution of other stars with planets. Different processes occuring during their formation may provide a possible explanation for this observation. Based on observations collected at the La Silla Observatory, ESO Chile, with the echelle spectrograph CORALIE at the 1.2m Euler Swiss telescope
Blecha Andre
Burnet Michel
Confino B.
Mayor Marcel
Naef Dominique
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