Detection of EUV/Soft X-ray bremsstrahlung emission at terrestrial altitudes above 750 km

Athanassios Katsiyannis1, Marie Dominique2, Johan De Keyser3, David Berghmans1, Kruglanski Michel3, Ingolf E. Dammasch1, Kris Borremans3, Erwin De Donder3 and Ali Ben Moussa1, (1)Royal Observatory of Belgium, Brussels, Belgium, (2)Observatoire Royal de Belgique, Brussel, Belgium, (3)Belgisch Instituut voor Ruimte-Aeronomie, Brussel, Belgium