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Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star

Burrows, Adam; Currie, Thayne; Kwon, Jungmi +31 more

Direct imaging of gas giant exoplanets provides information on their atmospheres and the architectures of planetary systems. However, few planets have been detected in blind surveys with direct imaging. Using astrometry from the Gaia and Hipparcos spacecraft, we identified dynamical evidence for a gas giant planet around the nearby star HIP 99770.…