Luminosity outbursts of the FUOri type stars, which have a magnitude of ∼100L⊙ and last for decades, may affect chemical composition of the surrounding protoplanetary disk. Using astrochemical modeling we analyze the changes induced by the outburst and search for species sensitive to the luminosity rise. Some changes in the disk molecular composition appear not only during the outburst itself but can also retain for decades after the end of the outburst. We analyze main chemical processes responsible for these effects and assess timescales at which chemically inert species return to the pre-outburst abundances.
@article{arxiv.2002.04984,
title = {Chemical modelling of FU Ori protoplanetary disks},
author = {Tamara Molyarova and Vitaly Akimkin and Dmitry Semenov and Péter Ábrahám and Thomas Henning and Ágnes Kóspál and Eduard Vorobyov and Dmitri Wiebe},
journal= {arXiv preprint arXiv:2002.04984},
year = {2020}
}