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mist_regular_meetings [2019/02/21 11:28]
fl
mist_regular_meetings [2020/04/30 15:55] (current)
al
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   * I need an account on Totoro to work on the 3D cubes;   * I need an account on Totoro to work on the 3D cubes;
   * With Edith, we have been discussing the possibility to start an APEX project in the Chameleon based on the H2 detections in Ingalls et al 2011; deadline should be around March 31st. This would be the first step towards ALMA observations. Schedule would be: APEX obs before fall 2019; ALMA cycle 8 (deadline: mid-april 2020), observations sept2020-sept2021;​   * With Edith, we have been discussing the possibility to start an APEX project in the Chameleon based on the H2 detections in Ingalls et al 2011; deadline should be around March 31st. This would be the first step towards ALMA observations. Schedule would be: APEX obs before fall 2019; ALMA cycle 8 (deadline: mid-april 2020), observations sept2020-sept2021;​
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 +**30 April 2020**
 +Paris-Durham (PD) 50 km/s shock into WNM.
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 +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.
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 +This is the chemical evolution of that parcel, showing the electron fraction reaching ~10^-2.
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 +{{:​00_slab.png?​650|}}
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 +This is the temperature evolution of that parcel, reaching T~10^4 K.
 +
 +{{:​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|}}
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 +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|}}
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 +Here are the hydrogen density profiles.
 +
 +{{:​05_comparison_nH.png?​800|}}
  • mist_regular_meetings.1550744900.txt.gz
  • Last modified: 2019/02/21 11:28
  • by fl