Unveiling the enigma of ATLAS17aeu A. Melandri, A. Rossi, S. Benetti, V. D’Elia, S. Piranomonte, E. Palazzi, A. J. Levan, M. Branchesi, A. J. Castro-Tirado, P. D’Avanzo et al. (35 more) A&A, 621 (2019) A81 Published online: 10 January 2019 DOI: 10.1051/0004-6361/201833814