Fig. 4.
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Molecular hydrogen column density maps obtained via methods I and II. Left: high-res H2 column density map derived using all Herschel dust data employing method I with CO contours above the 3 and 6 σ level of the CO map shown in Fig. 1. Right: H2 column density map derived from SPIRE 250 μm map with method II. The circle to the lower left represents the resolution of 18.2″.
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