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Fig. 4


Surface brightness in J band, IJ, as a function of the K band, IK, (upper frame) and IH as a function of IK (lower frame) for the main filament area shown in Fig. 2. The y = x function is denoted by a black line. The colour scale of the 2D histogram indicates the logarithmic density of the points, both here and in other figures. The data are convolved to 40 resolution.

This figure is made of several images, please see below:

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