Abstract SOHO (SOlar and Heliospheric Observatory) is a joint ESA/NASA mission within the ISTP-International Solar Terrestrial Program. The satellite, with a pointing stability of 1 arcsecond, will be launched in 1995 to the L1 Lagrangian point between Sun and Earth. The selected payload, in accordance with the scientific objectives of the mission, is being developed: -to obtain long and uninterrupted series of solar oscillations measurements either in flux or in velocity in order to sound the solar interior using high resolution in the frequency domain. -to probe the upper solar atmosphere with high resolution UV/EUV imager/spectrometers and UV/visible coronagraphs and photometers in order to bring new constraints on the coronal heating, to identify the source and accelerating mechanisms of the solar wind. -to measure in-situ the solar wind flow in front of the Earth and so, establish the link between the Sun and the near-Earth environment.
SOHO—A high resolution solar physics mission
Advances in Space Research ; 11 , 5 ; 169-177
1991-01-01
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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