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Fig. 13
Spatial distribution of candidate Class I objects (orange crosses) selected through the [3.4] − [4.6] vs. [4.6] − [12] colour−colour diagram and Class I objects (purple circles) selected through the [3.4] − [4.6] vs. [4.6] − [22] colour−colour diagram. The map shown here is the optical-depth map presented before.
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