Scrutinising the relationship between plage areas and sunspot areas and numbers Theodosios Chatzistergos, Ilaria Ermolli, Natalie A. Krivova, Teresa Barata, Sara Carvalho and Jean-Marie Malherbe A&A, 667 (2022) A167 Published online: 25 November 2022 DOI: 10.1051/0004-6361/202244913