Fig. 5.
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Rotational diagram showing the H2 0–0 S(1) to S(8) transitions measured at the northern radio hotspot, N2, assuming the ortho-to-para ratio of 3 expected for Trot> 200 K (Burton et al. 1992). The red line is the best LTE fit with two temperatures to the S(1)–S(6) lines. The dotted (dashed) line represents the warm (hot) component. The solid red line is the sum of the two components.
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