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Fig. 7

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Rotation diagrams for ro-vibrational H2 emission in three apertures at various distances (in the image plane) from the source. The ortho-to-para ratio (OPR) decreases further from the source. The temperature and column density corresponding to each fit are listed in Table 3. Plotted uncertainties do not include the extinction uncertainty, which affects each curve as illustrated in Figure 8.

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