The multiplicity fraction in 202 open clusters from Gaia J. Donada, F. Anders, C. Jordi, E. Masana, M. Gieles, G. I. Perren, L. Balaguer-Núñez, A. Castro-Ginard, T. Cantat-Gaudin and L. Casamiquela A&A, 675 (2023) A89 Published online: 04 July 2023 DOI: 10.1051/0004-6361/202245219