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The {\\beta} Pictoris system with its debris disk and a massive giant planet orbiting at \\simeq 9 AU represents an ideal laboratory to study giant planet formation and evolution as well as planet-disk interactions. {\\beta} Pic b can also help testing brightness-mass relations at young ages. Other planets, yet undetected, may of course be present in the system. Aims. We aim at putting direct constrains on the mass of {\\beta} Pic b and at searching for additional jovian planets on orbits closer than typically 2 AU. Methods. 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