Figure 6. The initial stellar mass contributions of mergers (i.e. mass ratio μ ≥ 1/10) and diffuse accretion (μ < 1/10) for galaxies of different stellar mass, at redshifts z = 0–3 in three stellar mass bins (as coloured). Solid and dashed lines represent the median of the distribution in Ref-L100N1504 and Recal-L025N0752, respectively. Our analysis stops at the redshift when fewer than 10 galaxies are available. The shaded regions bracket the 25th and the 75th percentiles of the distributions. External mass contributions increase with galaxy stellar mass but decrease with redshift.
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