Radial profile extracted through a horizontal cut in the center of a FWHM₀ = 30 arcsec Gaussian filament image normalized with respect to the reference image peak (shown by the grey shaded area) displayed in linear scale (left). Same radial profile this time normalized with respect to the corresponding observed peak value in each map I_peak displayed in log-scale (right). In both panels the reference profile is shown by the grey shaded area. The results of the distinct data combination methods are indicated with different colors: ALMA 12 m-alone (blue), ALMA 12m + 7 m (orange), ALMA Feather (pink), ALMA MACF (green), and ALMA 12 m + IRAM-30 m MACF (black).