2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14021We test the halo dominated mass model, recently proposed for high-luminosity galaxies by Courteau & Rix (1998), against rotation velocity data for a large sample of L_* spirals. We find that this model does not reproduce the general kinematic properties required. The alternative disc dominated model, on the contrary, easily fits the data.5 pages, 3 figures; A&A, in pressAstrophysicstext