Excitation diagrams of the S(0) to S(3) rotational H2 lines for Haro 11 (left) and NGC 625 (right). The Nu/gu ratios are normalized by the S(1) transition. The observations are shown with filled circles. The dotted lines indicate the best fit to the S(1) to S(3) transitions. The dashed line indicates the fit to the S(0) 1σ limit (open circle) and the S(1) transition.
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