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We present a map of the total intrinsic reddening across ~34 deg$^{2}$ of theSmall Magellanic Cloud (SMC) derived using optical ($ugriz$) and near-infrared(IR; $YJK_{\mathrm{s}}$) spectral energy distributions (SEDs) of backgroundgalaxies. The reddening map is created using a subsample of 29,274 galaxieswith low levels of intrinsic reddening based on the LePhare $\chi^{2}$minimisation SED-fitting routine. We find statistically significant enhancedlevels of reddening associated with the main body of the SMC compared withregions in the outskirts [$\Delta E(B-V)\simeq 0.3$ mag]. A comparison withliterature reddening maps of the SMC shows that, after correcting fordifferences in the volume of the SMC sampled, there is good agreement betweenour results and maps created using young stars. In contrast, we findsignificant discrepancies between our results and maps created using old starsor based on longer wavelength far-IR dust emission that could stem from biasedsamples in the former and uncertainties in the far-IR emissivity and theoptical properties of the dust grains in the latter. This study represents oneof the first large-scale categorisations of extragalactic sources behind theSMC and as such we provide the LePhare outputs for our full sample of ~500,000sources.

The intrinsic reddening of the Magellanic Clouds as traced by background galaxies -- II. The Small Magellanic Cloud