Solar cycle variation in the properties of photospheric magnetic concentrations Anchuan Song, Quanhao Zhang, Yuming Wang, Rui Liu, Jie Jiang, Xiaolei Li, Jiajia Liu, Shaoyu Lv and Ruobing Zheng A&A, 682 (2024) A87 Published online: 06 February 2024 DOI: 10.1051/0004-6361/202346898