Comparison of the thick to thin disc mass ratios – ℳT/ ℳt – calculated with a Gaussian PSF (Comerón et al. 2012, 2014) and those calculated (this paper) with the symmetrised version of the PSF provided by Hora et al. (2012). The grey line indicates a one-to-one correlation. Filled black dots correspond to gas-rich galaxies, and grey circles correspond to gas-poor galaxies.
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