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21 November 2017 A solar diameter metrology measurement: the Picard microsatellite program
Luc Damé, Jean-Francis Brun, David Cugnet, Marc Derrien, Claude Leroy, Mustapha Meftah, Mireille Meissonnier, Jacques Porteneuve
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Proceedings Volume 10569, International Conference on Space Optics — ICSO 2000; 1056914 (2017) https://doi.org/10.1117/12.2307872
Event: International Conference on Space Optics 2000, 2000, Toulouse Labège, France
Abstract
The PICARD microsatellite mission will provide 3 to 4 years simultaneous measurements of the solar diameter, differential rotation and solar constant to investigate the nature of their relations and variabilities. The major instrument, SODISM, is a whole Sun imaging telescope of Ø110 mm which will deliver an absolute measure (better than 4 mas) of the solar diameter and solar shape. Now in Phase B, PICARD is expected to be launched by 2005. We recall the scientific goals linked to the diameter measurement with interest for Earth Climate, Space Weather and Helioseismology, present the instrument optical concept and design, and give a brief overview of the program aspects.
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Luc Damé, Jean-Francis Brun, David Cugnet, Marc Derrien, Claude Leroy, Mustapha Meftah, Mireille Meissonnier, and Jacques Porteneuve "A solar diameter metrology measurement: the Picard microsatellite program", Proc. SPIE 10569, International Conference on Space Optics — ICSO 2000, 1056914 (21 November 2017); https://doi.org/10.1117/12.2307872
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KEYWORDS
Mirrors
Telescopes
Sun
Charge-coupled devices
Silicon carbide
Space telescopes
Climatology
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