Completeness of the photometry obtained using the artificial star test. The coloured lines represent different photometric bands. The dashed grey line represents the 90% completeness limit, the dotted grey line the 50% completeness limit, and the solid grey line the 20% completeness limit. The thin lines show the completeness curves calculated at the 0.2 mag step, and the thick lines were smoothed using UnvariateSpline of the scipy.interpolate sub-package.