Uncertainties in asteroseismic grid-based estimates of the ages of halo stars S. Moser, G. Valle, M. Dell’Omodarme, S. Degl’Innocenti and P. G. Prada Moroni A&A, 671 (2023) A78 Published online: 08 March 2023 DOI: 10.1051/0004-6361/202243897