FM 047-02: a collisional pair of galaxies with a ringM. Faúndez-Abans, M. de Oliveira-Abans, A. C. Krabbe, P. C. da Rocha-Poppe, V. A. Fernandes-Martin and I. F. FernandesA&A, 558 (2013) A13DOI: https://doi.org/10.1051/0004-6361/201321149