Solar EUV and decimetric indices and thermospheric models |
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Authors: | M Roemer W Framke KGH Schuchardt |
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Institution: | intitut für Astrophysik und Extraterrestrische Forschung, Universität Bonn, Auf dem Hügel 71, 5300 Bonn 1, F.R.G. |
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Abstract: | Data bases and limits of applicability of existing empirical thermospheric models are reviewed by using these models together with solar EUV irradiance data in studying the solar activity effect on composition, density and temperature. For two rather short aeronomy missions of the AEROS A and B satellites solar EUV indices as proposed by Schmidtke are used in comparison with the 10.7 cm solar flux F in determining the solar activity effect in in-situ composition measurements sampled by the same satellites at 250, 310 and 380 km altitude. No advantage of solar EUV indices over F could be determined. |
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