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The mass of the young planet Beta Pictoris b through the astrometric motion of its host star

Snellen, I. A. G.; Brown, A. G. A.

The young massive Jupiters discovered with high-contrast imaging^1-4 provide a unique opportunity to study the formation and early evolution of gas giant planets. A key question is to what extent gravitational energy from accreted gas contributes to the internal energy of a newly formed planet. This has led to a range of formation scenar…