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Communication Dans Un Congrès Année : 2007

Charge-Exchange Induced X-rays in the Martian Exosphere

Résumé

We study the EUV/soft X-ray emission induced by charge transfer between solar wind highly charged ions and neutral H and O of the Martian exosphere. Results are obtained using three-dimensional hybrid simulations of the global plasma environment of Mars, including photoionization and electron impact ionization of neutral H and O coronae. We calculate projected emission maps from different vantage points and show how X-ray emission localization traces the Martian shock and magnetic barrier structures. We also compare the different heavy ion contributions to the emission, as well as the secondary charge exchange component.
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Dates et versions

hal-02329260 , version 1 (23-10-2019)

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Dimitra Koutroumpa, Rosine Lallement, Ronan Modolo, Gérard Chanteur, V. Kharchenko. Charge-Exchange Induced X-rays in the Martian Exosphere. 2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, Jan 2007, Seattle, United States. ⟨hal-02329260⟩
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