Extended source fringe flats for the JWST MIRI Medium Resolution Spectrometer N. Crouzet, M. Mueller, B. Sargent, F. Lahuis, D. Kester, G. Yang, I. Argyriou, D. Gasman, P. J. Kavanagh, A. Labiano et al. (10 more) A&A, 698 (2025) A77 Published online: 03 June 2025 DOI: 10.1051/0004-6361/202452903