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Aims: In the frame of the search for extrasolar planets and brown dwarfsaround early-type stars, we present the results obtained for the F-typemain-sequence star HD 60532 (F6V) with HARPS.  Methods: Using 147 spectra obtained with HARPS at La Silla on a time baselineof two years, we study the radial velocities of this star.  Results: HD 60532 radial velocities are periodically variable, and thevariations have a Keplerian origin. This star is surrounded by a planetarysystem of two planets with minimum masses of 1 and 2.5 Mjup and orbitalseparations of 0.76 and 1.58 AU respectively. We also detect high-frequency,low-amplitude (10 m/s peak-to-peak) pulsations. Dynamical studies of the systempoint toward a possible 3:1 mean-motion resonance which should be confirmedwithin the next decade.

Extrasolar planets and brown dwarfs around A-F type stars V. A planetary system found with HARPS around the F6IV-V star HD 60532