Fine-structure excitation of C2O by He: Rate coefficients and astrophysical modeling A. Veselinova, F. Lique, C. T. Bop, L. González-Sánchez and P. G. Jambrina A&A, 699 (2025) A268 Published online: 11 July 2025 DOI: 10.1051/0004-6361/202555202