Near-infrared evolution of the equatorial ring of SN 1987A T. Kangas, A. Ahola, C. Fransson, J. Larsson, P. Lundqvist, S. Mattila and B. Leibundgut A&A, 675 (2023) A166 Published online: 18 July 2023 DOI: 10.1051/0004-6361/202245829