TOI-220b: a warm sub-Neptune discovered by TESS - Hoyer, S.; Gandolfi, D.; Armstrong, D. J.; Deleuil, M.; Acuna, L.; de Medeiros, J. R.; Goffo, E.; Lillo-Box, J.; Delgado Mena, E.; Lopez, T. A.; Santerne, A.; Sousa, S.; et al. (Monthly Notices of the Royal Astronomical Society, 2021)