The space instrument SOVAP of the PICARD mission

Details The space instrument SOVAP of the PICARD mission The space instrument SOVAP of the PICARD mission

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmgc21b0866d&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #GC21B-0866

Astronomy and Astrophysics

Astrophysics

[7538] Solar Physics, Astrophysics, And Astronomy / Solar Irradiance

Scientific paper

PICARD is a scientific mission of the French space agency CNES. Its objectives are the study of the origin of the solar variability and the study of the relations between the Sun and the Earth's climate. The payload was launched on 15 june 2010 in a Sun Synchronous Orbit at 725 km altitude. The mission life time is two years, however to be extended to three years. The payload consists of two absolute radiometers measuring the TSI (Total Solar Irradiance) and an imaging telescope to determine the solar diameter, the limb shape and asphericity. SOVAP (SOlar VAriability PICARD) is an experiment developed by the STCE (Solar Terrestrial Center of Excellence) with a contribution of the CNRS (Centre National de Recherche Scientifique) composed of an absolute radiometer provided by the RMIB (Royal Meteorological Institute of Belgium) to measure the TSI and a bolometer provided by the ROB (Royal Observatory of Belgium) to measure both the solar and terrestrial outgoing radiation with 10 s sampling . The Sovap instrument aims at high quality metrology in the space environment. In this paper, we describe the SOVAP instrument and its technical performances.

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