Flybys in protoplanetary discs - II. Observational signatures

NC acknowledges financial support provided by FONDECYT grant 3170680. NC and JC acknowledge support from CONICYT project Basal AFB-170002. FL acknowledges the support of the FONDECYT program n° 3170360. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 823823 (DUSTBUSTERS). CP and DJP acknowledge funding from the Australian Research Council via FT170100040, FT130100034, and DP180104235. FMe acknowledges funding from ANR of France under contract number ANR-16-CE31-0013. AJW, RN, GD, and RA acknowledge financial support from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 681601). JC and MM acknowledge support from Iniciativa Científica Milenio via the Núcleo Milenio de Formación Planetaria. MM acknowledges financial support from the Chinese Academy of Sciences (CAS) through a CAS-CONICYT Postdoctoral Fellowship administered by the CAS South America Center for Astronomy (CASSACA) in Santiago, Chile. LC acknowledges financial support provided by FONDECYT grant 1171246. The Geryon2 cluster housed at the Centro de Astro-Ingeniería UC was used for the calculations performed in this paper. The BASAL PFB-06 CATA, Anillo ACT-86, FONDEQUIP AIC-57, and QUIMAL 130008 provided funding for several improvements to the Geryon/Geryon2 cluster.