Cosmic-ray ionization of low-excitation lines in active galactic nuclei and starburst galaxies E. Koutsoumpou, J. A. Fernández-Ontiveros, K. M. Dasyra and L. Spinoglio A&A, 693 (2025) A215 Published online: 20 January 2025 DOI: 10.1051/0004-6361/202452232