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Fig. 4
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Left: extinction map obtained from the H2 1–0 Q(3)/1–0 S(1) line ratio. Middle: excitation map from the H2 line ratio 1–0 S(1)/2–1 S(1). Right: radial velocity map using the H2 1–0 S(1) line. In all panels, grey indicates masked pixels with S/N < 3.
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