X-ray flux in SED modelling: An application of X-CIGALE in the XMM-XXL fieldG. Mountrichas, V. Buat, G. Yang, M. Boquien, D. Burgarella and L. CieslaA&A, 646 (2021) A29DOI: https://doi.org/10.1051/0004-6361/202039401