High-latitude emission from the structured jet of γ-ray bursts observed off-axis S. Ascenzi, G. Oganesyan, O. S. Salafia, M. Branchesi, G. Ghirlanda and S. Dall’Osso A&A, 641 (2020) A61 Published online: 09 September 2020 DOI: 10.1051/0004-6361/202038265