Directly measuring the mass of an imaged planet

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Directly measuring the mass of an imaged planet

Extremely accurate measurements of the position of β Pictoris from the Hipparcos and Gaia satellites allow the direct measurement of the mass of the imaged planet β Pic b.

Source: astrobites.org/2018/09/21/directly_measureing_the_mass_of_beta_pic_b/

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