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The PREMOS/PICARD instrument calibration

Abstract : PREMOS is a space experiment scheduled to fly on the French solar mission PICARD. The experiment comprises filter radiometers and absolute radiometers to measure the spectral and total solar irradiance. The aim of PREMOS is 1. to contribute to the long term monitoring of the total solar irradiance, 2. to use irradiance observations for 'nowcasting' the state of the terrestrial middle atmosphere and 3. to provide long term sensitivity calibration for the solar imaging instrument SODISM on PICARD. In this paper we describe the calibration of the instruments. The filter radiometer channels in the visible and near IR were characterized at PMOD/WRC and the UV channels were calibrated at PTB Berlin. The absolute radiometers were compared with the World Radiometric Reference at PMOD/WRC and a power calibration relative to a primary cryogenic radiometer standard was performed in vacuum and air at NPL.
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Submitted on : Thursday, August 20, 2009 - 4:20:29 PM
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Werner Schmutz, André Fehlmann, Gregor Hulsen, Peter Meind, Rainer Winkler, et al.. The PREMOS/PICARD instrument calibration. Metrologia, IOP Publishing, 2009, 46 (4), pp.S202-S206. ⟨10.1088/0026-1394/46/4/S13⟩. ⟨hal-00410451⟩



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