Fig. 4.
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Comparison of the normalized H2O, CO(5–4) and CO(7–6) spectra. The CO lines are shown in pink and purple and the H2O line is shown in blue. The [C I] line appears at ∼400 km s−1 in the CO(7–6) spectra, and similarly the CO(7–6) line appears in the [C I] line profile at ∼ > 750 km s−1. The line profile of the H2O line broadly follows that of both CO lines as well as the [C I] line.
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