Fig. 3
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Zoom-in of the IRS 7 spectrum at the 2.07–2.20 µm range. A double Gaussian profile (emission plus absorption) fit to the Brγ line is shown as a dashed red line, whereas the dotted blue line shows the single Gaussian profile fit to the absorption component. Strong emission lines correspond to H2, in particular 2–1 S(3), 1–0 S(1), 3–2 S(4), and 2–1 S(2), at 2.074, 2.122, 2.128, and 2.154 µm, respectively.
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