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Fig. 1

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Column density map (left) and LOS dust temperature map (right) of B68, which is derived by fitting modified blackbody SEDs to the Herschel data between 160 μm and 500 μm on a pixel-by-pixel basis (see Sect. 3.1 for details). The column density contours go from 1.6×1021 to 9.6×1022 in steps of 1.6 × 1021 in units of H2 molecules per cm2 (left), and the temperature contours are 16, 15, 14, and 13 K (right). The cross symbol shows the center of the core obtained by fitting a 2D-Gaussian to the column density map.

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