Communication Dans Un Congrès Année : 2009

The Spectrum of the Solar Wind Charge Exchange Emission: Contribution to the Soft X-ray Background

Résumé

Solar Wind Charge-Exchange (SWCX) is nowadays recognised as a non-negligible source of soft X-ray emission, contributing to an unknown degree to the diffuse soft X-ray background (SXRB). In this paper, we relate the general characteristics of the SWCX emission spectrum between 0.1 and 1 keV and its contribution to the local interstellar SXRB emission in comparison with the unabsorbed thermal component attributed to the supposedly hot (~106 K) Local Bubble. At low galactic latitudes (below ~30 degrees) our computed SWCX brightness reaches a level comparable to the observed signal, suggesting the absence or a very low pressure of the hot gas close to the disk

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Dates et versions

hal-00415164 , version 1 (10-09-2009)

Identifiants

Citer

Dimitra Koutroumpa, Rosine Lallement, V. Kharchenko. The Spectrum of the Solar Wind Charge Exchange Emission: Contribution to the Soft X-ray Background. The Local Bubble and Beyond II: Proceedings of the International Conference, AIP Conference Proceedings, Apr 2008, Philadelphia (Pennsylvania), United States. pp.62-73, ⟨10.1063/1.3211835⟩. ⟨hal-00415164⟩
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