Stable nickel production in type Ia supernovae: A smoking gun for the progenitor mass? S. Blondin, E. Bravo, F. X. Timmes, L. Dessart and D. J. Hillier A&A, 660 (2022) A96 Published online: 20 April 2022 DOI: 10.1051/0004-6361/202142323