An X-ray survey of the central molecular zone: Variability of the Fe Kα emission line R. Terrier, M. Clavel, S. Soldi, A. Goldwurm, G. Ponti, M. R. Morris and D. Chuard A&A, 612 (2018) A102 Published online: 04 May 2018 DOI: 10.1051/0004-6361/201730837