Open Access
Fig. 10

Colour composite image showing the second-generation cluster of G339.59–00.12. The image is made with Spitzer 8.0 μm (red), 4.5 μm (green), and VISTA Ks (blue) data. The red contours are for column densities of 0.5 × 1023 and 1.0 × 1023 cm−2.
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