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Fig. 2.


Map of the S/N in each region after Voronoi Tesselation of the whole slit area. The contours show the V-band surface brightness levels of objects in the field-of-view ranging from μ V = 20 − 23.5 mag arcsec−2 in steps of 0.5 mag arcsec−2, from Arnaboldi et al. (2012).

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