Testing afterglow models of FRB 200428 with early post-burst observations of SGR 1935 + 2154. - Cooper, A J; Rowlinson, A; Wijers, R A M J; Bassa, C; Gourdji, K; Hessels, J; van der Horst, A J; Kondratiev, V; Michilli, D; Pleunis, Z; Shimwell, T; ter Veen, S (Monthly Notices of the Royal Astronomical Society, 2022)