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Fig. 12

image

Color-color diagrams of the Galactic cirri and the extragalactic sources. Black diamonds correspond to the cirri colors with their corresponding error bars. Overplotted are E-MILES single stellar population models color-coded for different metallicities at each of the following ages: 0.1, 0.2, 0.5, 1, 2, 5, 10 and 12 Gyr. We also plot the color values of the pixels of real galaxies (see text). The light orange region encloses 95% (2σ) of the pixels,while the dark orange encloses 68% (1σ). The green dashed line in the g-r vs r-i map indicates the separation between the region compatible with dust (below the line) and extragalactic sources (above the line).

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