The role of stellar radial motions in shaping galaxy surface brightness profiles T. Ruiz-Lara, C. G. Few, E. Florido, B. K. Gibson, I. Pérez and P. Sánchez-Blázquez A&A, 608 (2017) A126 Published online: 15 December 2017 DOI: 10.1051/0004-6361/201731485