The H.E.S.S. transients follow-up system C. Hoischen, M. Füßling, S. Ohm, A. Balzer, H. Ashkar, K. Bernlöhr, P. Hofverberg, T. L. Holch, T. Murach, H. Prokoph et al. (5 more) A&A, 666 (2022) A119 Published online: 18 October 2022 DOI: 10.1051/0004-6361/202243092