Analysis of the H.E.S.S. public data release with ctools J. Knödlseder, L. Tibaldo, D. Tiziani, A. Specovius, J. Cardenzana, M. Mayer, N. Kelley-Hoskins, L. Di Venere, S. Bonnefoy, A. Ziegler et al. (6 more) A&A, 632 (2019) A102 Published online: 10 December 2019 DOI: 10.1051/0004-6361/201936010