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The CORALIE survey for southern extra-solar planets IX. A 1.3-day period brown dwarf disguised as a planet
N. C. Santos, M. Mayor, D. Naef +8
In this article we present the case of HD 41004 AB, a system composed of a K0V star and a 3.7-magnitude fainter M-dwarf companion separated by only 0.5 arcsec. An analysis of CORAL…
The CORALIE survey for southern extra-solar planets VII. Two short-period Saturnian companions to HD108147 and HD168746
F. Pepe, M. Mayor, F. Galland +5
We present the discovery of two Saturn-mass companions to HD108147 and HD168746. Both belong to the lightest ever discovered planets. The minimum mass of the companion to HD168746…
Constraining the difference in convective blueshift between the components of alpha Cen with precise radial velocities
D. Pourbaix, D. Nidever, C. McCarthy +12
New radial velocities of alpha Cen A & B obtained in the framework the Anglo-Australian Planet Search programme as well as in the CORALIE programme are added to those by Endl et al…
The CORALIE survey for southern extra-solar planets VIII. The very low-mass companions of HD141937, HD162020, HD168443, HD202206: brown dwarfs or superplanets?
S. Udry, M. Mayor, D. Naef +4
Doppler CORALIE measurements of the solar-type stars HD141937, HD162020, HD168443 and HD202206 show Keplerian radial-velocity variations revealing the presence of 4 new companions…