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Article Dans Une Revue Astronomy and Astrophysics - A&A Année : 2024

Shocks in the Warm Neutral Medium I - Theoretical model

Résumé

Context. Atomic and molecular line emissions from shocks may provide valuable information on the injection of mechanical energy in the interstellar medium (ISM), the generation of turbulence, and the processes of phase transition between the Warm Neutral Medium (WNM) and the Cold Neutral Medium (CNM). Aims. In this series of papers, we investigate the properties of shocks propagating in the WNM. Our objective is to identify the tracers of these shocks, use them to interpret ancillary observations of the local diffuse matter, and provide predictions for future observations. Methods. Shocks propagating in the WNM are studied using the Paris-Durham shock code, a multi-fluid model built to follow the thermodynamical and chemical structures of shock waves, at steady-state, in a plane-parallel geometry. The code, already designed to take into account the impact of an external radiation field, is updated to treat self-irradiated shocks at intermediate (30
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hal-04563829 , version 1 (30-04-2024)

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  • HAL Id : hal-04563829 , version 1

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Benjamin Godard, Guillaume Pineau Des Forêts, Shmuel Bialy. Shocks in the Warm Neutral Medium I - Theoretical model. Astronomy and Astrophysics - A&A, inPress. ⟨hal-04563829⟩
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