Disentangling the origin of chemical differences using GHOST C. Saffe, P. Miquelarena, J. Alacoria, E. Martioli, M. Flores, M. Jaque Arancibia, R. Angeloni, E. Jofré, J. Yana Galarza, E. González and A. Collado A&A, 682 (2024) L23 Published online: 26 February 2024 DOI: 10.1051/0004-6361/202449263