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Fig. 6


Hydrogen column density map of additional gas in the 12CO-saturated parts of the Taurus and Perseus clouds, derived from the “γ + τ353” (top panel) and “γ + E(BV)” (bottom panel) analyses of the full region (mask0). The pixels within the grey contours have a lower angular resolution in E(BV) (mask2). The magenta contours enclose regions with 13CO intensities above 2 K km s−1 (Ridge et al. 2006; Narayanan et al. 2008).

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