Inelastic H + H3+ collision rates and their impact on the determination of the excitation temperature of H3+

Open Access

Fig. 6

Comparison of new H collision rate coefficients with the proxy used in Le Bourlot et al. (2024) for the lowest para and ortho transitions. The temperatures of HD 110432 and HD 73882, as derived from the molecular hydrogen J = 1 and J = 0 column density ratio T₀₁(H₂), are indicated by a black vertical line.

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