Abstract
In order to understand and model the mechanisms that drive the changes observed in the Sun on several time scales, the PICARD mission will carry out several simultaneous measurements that include the total and spectral solar irradiance, solar diameter, limb shape and solar oscillations. The instruments consist of two radiometers, three four-channels sunphotometers, a bolometer, and a metrological imaging telescope. This set of instruments will be placed on board a microsatellite developed under the responsibility of the Centre National d’Etudes Spatiales. Picard is now in orbit: PICARD was launched on 15 June 2010. Since the instrumentation has already been described elsewhere, in this chapter we focus on related measurements, and solar and climate models developed within this mission.
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Acknowledgements
The PICARD mission is under the responsibility of CNES, which supported the design and construction of the spacecraft. Design and construction of the three instruments are carried out by the laboratories, LATMOS (CNRS) for SODISM, the Royal Meteorological Institute of Belgium for SOVAP and BOS, and Physikalisch-Meteorologisches Observatorium Davos and World Radiation Center (CH) for PREMOS. SODISM is funded by CNES, while the development is supported by CNRS. The PREMOS instrument is funded by the Swiss PRODEX program of ESA, and the SOVAP instrument development as well as the PICARD operation center located in Brussels is supported by the Belgian Science Policy Office through the European Space Agency PRODEX program. We are very grateful to Dr. S. Melo and Pr. S. Sofia, both Co-Investigators on the PICARD project, for their contribution in the climate and solar modeling part of this chapter.
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Thuillier, G., Dewitte, S., Schmutz, W., the PICARD team. (2011). The Sun-Climate Connection Through Measurements and Modeling: The Picard Investigation. In: Miralles, M., Sánchez Almeida, J. (eds) The Sun, the Solar Wind, and the Heliosphere. IAGA Special Sopron Book Series, vol 4. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-9787-3_27
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