The PICARD micro satellite: a tool for advanced sun investigation.
- Paper number
IAC-08.B4.2.8
- Author
Mr. Francois BUISSON, Centre National d'Etudes Spatiales (CNES), France
- Year
2008
- Abstract
PICARD science objectives cover firstly the analysis of sun/earth interaction and secondly the solar physics. It will survey the sun activity and make precise measurements of observable characteristics of the sun such as its diameter and the number of sun spots, and the solar irradiance. It will then demonstrate if any correlation can be established between these parameters. PICARD will then contribute to the modelling and understanding of the climate changes through the evaluation of the part played by the sun. PICARD will also address helio seismology and through high resolution and repeatability of the measurements will contribute to improve the knowledge on the solar core properties and to understand the dynamical evolution of the Sun and Stars. The development of PICARD is a joint effort conducted by CNES with French CNRS and in partnership with Belgian and Swiss laboratories and institutes. The organization permits to take advantage of the know how and experience of each entity. PICARD is based on CNES micro satellite line of product which already permitted the implementation of the successful Demeter and Parasol scientific mission. CNRS: Service d ‘Aéronomie develops an advanced multi spectral imaging telescope equipped with a CCD and the payload data management system. Swiss PMOD provides an absolute radiometer complemented with filter radiometers. Belgian IRMB involvement is represented by the development of an absolute differential radiometer and support to the development of the payload operational centre PICARD satellite will be placed on a low earth and sun synchronous orbit with a local time at 6.00 which will permit a quasi permanent visibility of the sun. Launch is scheduled for 2009. The satellite and system are currently in integration and validation phase. The mission rationale and goals will be introduced; its characteristics and performances will be presented. A system description will be provided together with the design of the spacecraft and of the different instruments. Focus will be put on the original and innovative aspects of the mission and the technological developments necessary to achieve the high level of performances required.
- Abstract document
- Manuscript document
IAC-08.B4.2.8.pdf (🔒 authorized access only).
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