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Fig. 4


Parameter Δβ as a function of ΔT for the four kernel types, using an edge-on galaxy with the dust profile b. (zd = 1 kpc, S/N = 104). For a given kernel type, there are 21 data points, each of which correspond to a measurement on a single pixel along the galaxy profile. The spread thus represents the systematic error on the βT measurement for this kernel type. Error bars on both axes at the centre indicate the statistical errors on β and T obtained from the χ2-fitting routine.

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