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Dynamics of young stellar clusters as planet-forming environments

Parker, Richard J.; Reiter, Megan

Most stars and thus most planetary systems do not form in isolation. The larger star-forming environment affects protoplanetary disks in multiple ways: Gravitational interactions with other stars truncate disks and alter the architectures of exoplanet systems; external irradiation from nearby high-mass stars truncates disks and shortens their life…

The SPHERE view of multiple star formation

Gratton, Raffaele; Bonavita, Mariangela; Marzari, Francesco +1 more

While a large fraction of the stars are in multiple systems, our understanding of the processes leading to the formation of these systems is still inadequate. Given the large theoretical uncertainties, observation plays a basic role. Here we discuss the contribution of high contrast imaging, and more specifically of the SPHERE instrument at the ES…