X-ray emission from the terrestrial magnetosheath
Robertson, Ina Picket
Cravens, Thomas Edward
AMER GEOPHYSICAL UNION
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 X-rays are generated throughout the terrestrial magnetosheath as a consequence of charge transfer collisions between heavy solar wind ions and geocoronal neutrals. The solar wind ions resulting from these collisions are left in highly excited states and emit extreme ultraviolet or soft X-ray photons. A model has been created to simulate this X-ray radiation. Published terrestrial exospheric hydrogen distributions and solar wind speed, density and temperature distributions were used in this model. Simulated images were created as seen from an observation point outside the geocorona. The locations of the bow shock and magnetopause are evident in these images. Perhaps this Xray emission can be used to remotely sense the solar wind flow around the magnetosphere. Since similar X-rays are produced in the heliosphere, the challenge will be, however, to eliminate this background emission.
Robertson, IP; Cravens, TE. X-ray emission from the terrestrial magnetosheath. GEOPHYSICAL RESEARCH LETTERS. April 29 2003. 30(8):
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