Temperature stratification in a molecular shock: Analysis of the emission of H2 pure rotational lines in IC443G

Open Access

Fig. 6

Average chi-square (‘χ²’, i.e., the average chi-square across the map, indicated by red diamonds) and average column density ( $\bar{‘ N_{H_{2}} ’}$ $\overline {{N_{{H_2}}}}$ , indicated by turquoise squares) with respect to the adopted local density. The best-fit model was found with a density n = 2.5 × 10⁵ cm⁻³, corresponding to χ² = 1.13 and $\bar{N_{H_{2}}} = 1.64 \times 10^{22} {cm}^{- 2}$ $\overline {{N_{{{\rm{H}}_2}}}} = 1.64 \times {10^{22}}{\rm{c}}{{\rm{m}}^{ - 2}}$

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