Main results of the PICARD mission

Abstract : PICARD is a mission devoted to solar variability observation, through imagery and radiometric measurements, with the goal to provide data for scientific investigation first in the area of solar physics, and second in the assessment of the influence of the solar variability on the Earth climate variability. PICARD contains a double program with in-space and on-ground measurements. The PICARD spacecraft was launched on June 15, 2010, commissioned in-flight in October of the same year, and was retired in April 2014. PICARD ground-based is functional since May 2011, and is still operational today. We shall give an overview of the PICARD instrumentation. New estimates of the absolute values of the total solar irradiance, of the solar spectral irradiance at typical wavelengths, and of the solar oblateness will be given. We will also report about helioseismic studies. Finally, we will present our current results about solar radius variations after six years of solar observations.
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Submitted on : Friday, July 15, 2016 - 5:40:56 PM
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Mustapha Meftah, Thierry Corbard, Alain Hauchecorne, Abdanour Irbah, Patrick Boumier, et al.. Main results of the PICARD mission . Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave. Proceedings SPIE, Jun 2016, Edinburgh, United Kingdom. pp.99040Z, ⟨10.1117/12.2232027⟩. ⟨insu-01345798⟩

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