2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/1121We describe here an iterative method for jointly estimating the noise power spectrum from a scanning experiment's time-ordered data, together with the maximum-likelihood map. We test the robustness of this method on simulated datasets with colored noise, like those of bolometer receivers in CMB experiments.4 pages, 5 figures, needs moriond.styAstrophysicstext