Chromospherically active stars: Chemical composition of photospheres in 20 RS CVn stars B. Bale, G. Tautvaišienė, R. Minkevičiūtė, A. Drazdauskas, Š. Mikolaitis, E. Stonkutė and M. Ambrosch A&A, 696 (2025) A23 Published online: 28 March 2025 DOI: 10.1051/0004-6361/202452780