We report the detection of four new extrasolar planets in orbit around the moderately active stars HD 63765 , HD~104067 , HIP~70849 , and HD~125595 with the HARPS Echelle spectrograph mounted on the ESO 3.6-m telescope at La Silla .
The first planet , HD~63765 Â b , has a minimum mass of 0.64 M _ { Jup } , a period of 358 days , and an eccentricity of 0.24 .
It orbits a G9 dwarf at 0.94 AU .
The second planet , HD~104067 Â b , is a 3.6 Neptune-mass-planet with a 55.8-day-period .
It orbits its parent K2 dwarf , in a circular orbit with a semi-major axis of a =0.26 AU .
Radial velocity measurements present a \approx 500-day-oscillation that reveals significant magnetic cycles .
The third planet is a 0.77 Neptune-mass-planet in circular orbit around the K4 dwarf , HD~12595 , with a 9.67-day-period .
Finally , HIP~7849 b is a long-period ( 5 < P < 75 years ) and massive planet of m . \sin { i } \approx 3.5-15 M _ { Jup } that orbits a late K7 dwarf .