Astronomy and Space

HIP 99770 b

HIP 99770 b (also known as 29 Cygni b) is a directly imaged super-Jupiter and gas giant exoplanet orbiting the A-type star HIP 99770 (29 Cygni) and detected with Gaia/Hipparcos precision astrometry and high-contrast imaging. HIP 99770 b could be considered the first joint direct imaging + astrometric discovery of an extrasolar planet and the first planet discovered using precision astrometry from the Gaia mission.

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See also

• ▸Amalthea (moon)
• ▸Guy Aldonce de Durfort, 1st Duke of Quintin
• ▸Gas Dynamics Laboratory

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