Star formation in outer rings of S0 galaxies - VI. NGC 1211: Bar resonance versus accretion N. Tsvetkov, A. Moiseev, O. Sil’chenko, I. Katkov, D. Oparin, R. Uklein and A. Smirnova A&A, 682 (2024) L16 Published online: 19 February 2024 DOI: 10.1051/0004-6361/202348437