ALMA observations of transient heating in a solar active region J. M. da Silva Santos, J. de la Cruz Rodríguez, S. M. White, J. Leenaarts, G. J. M. Vissers and V. H. Hansteen A&A, 643 (2020) A41 Published online: 29 October 2020 DOI: 10.1051/0004-6361/202038755