Prospects from TESS and Gaia to constrain the flatness of planetary systems
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Date
2023
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Abstract
The mutual inclination between planets orbiting the same star provides key information to understand the formation and evolution of multi-planet systems. In this work, we investigate the potential of Gaia astrometry in detecting and characterizing cold Jupiters in orbits exterior to the currently known TESS planet candidates. According to our simulations, out of the $\sim 3350$ systems expected to have cold Jupiter companions, Gaia, by its nominal 5-year mission, should be able to detect $\sim 200$ cold Jupiters and measure the orbital inclinations with a precision of $\sigma_{\cos i}
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Keywords
Exoplanets, Exoplanet catalogs, Space astrometry, Exoplanet migration, Extrasolar gaseous planets