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astro-ph.EP2024★ 14 cited
Forming the Trappist-1 system in two steps during the recession of the disc inner edge
Gabriele Pichierri, Alessandro Morbidelli, Konstantin Batygin +1
Trappist-1 hosts 7 planets where period ratios of neighbouring pairs are close to the 8:5, 5:3, 3:2, 3:2, 4:3, and 3:2 ratios in increasing distance from the star. The Laplace angl…
astro-ph.EP2024
A recipe for eccentricity and inclination damping for partial gap opening planets in 3D disks
Gabriele Pichierri, Bertram Bitsch, Elena Lega
In a previous paper we showed that, like the migration speed, the eccentricity damping efficiency is modulated linearly by the depth of the partial gap a planet carves in the disk…