Asteroseismic age estimate of the open cluster NGC 6866 using Kepler and Gaia K. Brogaard, T. Arentoft, A. Miglio, G. Casali, J. S. Thomsen, M. Tailo, J. Montalbán, V. Grisoni, E. Willett, A. Stokholm et al. (3 more) A&A, 679 (2023) A23 Published online: 30 October 2023 DOI: 10.1051/0004-6361/202347330