In this contribution we review the recent advances in star and planet formation studies that have been allowed by long baseline optical interferometers in the last few years. We see how interferometry continues to bring significant observational constraints on complex processes such as accretion/ejection, dust sublimation and evolution and planet formation. We discuss the implication of the arrival on sky of GRAVITY and MATISSE at VLTI together with MYSTIC and MIRCX at CHARA and how these new facilities can contribute answering to the burning questions of planet formation.

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Jean-Philippe Berger, "Protoplanetary environments at the astronomical unit scale: the contribution of long baseline interferometry," Proc. SPIE 10701, Optical and Infrared Interferometry and Imaging VI, 107011L (Presented at SPIE Astronomical Telescopes + Instrumentation: June 14, 2018; Published: 9 July 2018); https://doi.org/10.1117/12.2313218.