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Fig. 1

Fig. 1 Refer to the following caption and surrounding text.

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Aitoff projection of the MRS background lines of sight analyzed in this paper. Filled circles indicate detections of the 0–0 S(1) line of H2, color-coded by integrated intensity, while triangles show non-detections. All lines of sight are overlaid on the total hydrogen column density map derived from the dust opacity at 353 GHz measured by Planck (Planck Collaboration XI 2014).

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