Helioseismic determination of the solar metal mass fraction G. Buldgen, A. Noels, V. A. Baturin, A. V. Oreshina, S. V. Ayukov, R. Scuflaire, A. M. Amarsi and N. Grevesse A&A, 681 (2024) A57 Published online: 11 January 2024 DOI: 10.1051/0004-6361/202346928