We report the discovery of a brown dwarf on an eccentric orbit and with a semimajor axis that places it in the brown dwarf desert region around the star HD191760 .
The star has a spectral type of G3IV/V and a metallicity ( [ Fe/H ] ) of 0.29 dex .
HD191760 adds to the small number of metal-rich stars with brown dwarf companions .
The brown dwarf ( HD191760 b ) is found to have an orbital period of 505.57 \pm 0.40 days and semimajor axis of 1.35 \pm 0.01 AU , placing it firmly in the brown dwarf desert .
The eccentricity of HD191760 b is found to be 0.63 \pm 0.01 , meaning it reaches as close as 0.5 AU from the host star .
Dynamical simulations indicate that no inner planets could reside at separations beyond \sim 0.17 AU due to the disastrous gravity imposed by HD191760 b .
In addition to these first results we also refine the orbits found for the exoplanets around the stars HD48265 , HD143361 and HD154672 .
All 1-planet solutions are in agreement with those previously published by the Magellan Planet Search .