Fig. 2

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Spectral index map derived from the 1.3 and 3 mm continuum emission for the region around N1 and N2 indicated with the black box in Fig. 1. The crosses indicate the same sources of respective colour as in Fig. 1. The synthesised beams (after smoothing for the 3 mm map) are shown in the lower left corner. The position offsets are given with respect to the ReMoCA phase centre.
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