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Monitoring the solar UV irradiance spectrum from the observation of a few passbands

Kretzschmar, M.; Dudok de Wit, T.; Cessateur, G. +3 more

Context. The solar irradiance in the UV is a key ingredient in space weather applications; however, because of the lack of continuous and long-term observations, various indices are still used today as surrogates for the solar spectral irradiance.
Aims: As an alternative to current spectrometers we use a few radiometers with properly chosen p…