X-ray reverberation modelling of the continuum, optical/UV time-lags in quasars D. A. Langis, I. E. Papadakis, E. Kammoun, C. Panagiotou and M. Dovčiak A&A, 691 (2024) A252 Published online: 18 November 2024 DOI: 10.1051/0004-6361/202450652