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Fig. 1

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Observed CRIRES spectrum at the location of the H2 1-0 S(1), 1-0 S(0) and 2-1 S(1) lines in HD 97048 and HD 100546, the only two sources displaying H2 emission. Note that the H2 1-0 S(1) line in HD 97048 is the weighted average of the 2007 and 2008 observations (see Fig. 2). The spectra are presented at the rest velocity of the stars.

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