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mist_regular_meetings [2020/04/30 15:48] al |
mist_regular_meetings [2020/04/30 15:55] (current) al |
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Paris-Durham (PD) 50 km/s shock into WNM. | Paris-Durham (PD) 50 km/s shock into WNM. | ||
- | To initialise PD we run a time evolution of a parcel of gas irradiated with an ISRF G0=1, cosmic ray rate zeta=10^-16 s-1. | + | To initialise PD we run a time evolution of a parcel of gas at density n=0.1 cm-3, irradiated with an ISRF G0=1, and cosmic ray rate zeta=10^-16 s-1. |
This is the chemical evolution of that parcel, showing the electron fraction reaching ~10^-2. | This is the chemical evolution of that parcel, showing the electron fraction reaching ~10^-2. | ||
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{{:00_slab.png?650|}} | {{:00_slab.png?650|}} | ||
This is the temperature evolution of that parcel, reaching T~10^4 K. | This is the temperature evolution of that parcel, reaching T~10^4 K. | ||
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{{:01_slabtemp.png?650|}} | {{:01_slabtemp.png?650|}} | ||
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+ | Using the result of the above runs as the input (chemical abundances, temperature) for PD, here is a 50 km/s shock. This is the temperature and hydrogen density profile. | ||
{{:02_parisdurham.png?650|}} | {{:02_parisdurham.png?650|}} | ||
- | {{:03_comparisont.png?650|}} | + | For comparison with mappings (Sutherland and Dopita 2017), several models were run. This is the temperature profiles of the PD shock (black), mappings with most basic settings (blue), basic + cosmic ray rate zeta=10^-17 s-1 (orange), basic + UV field (Mathis field, 9.50918E+09 phots/cm^2/s), basic + dust calculation. |
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+ | {{:03_comparisont.png?800|}} | ||
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+ | Here are the electron density profiles. | ||
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+ | {{:04_comparison_ne.png?800|}} | ||
- | {{:04_comparison_ne.png?650|}} | + | Here are the hydrogen density profiles. |
- | {{:05_comparison_nH.png?650|}} | + | {{:05_comparison_nH.png?800|}} |