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.


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    Title :

    SOHO—A high resolution solar physics mission


    Contributors:
    Lemaire, P. (author)

    Published in:

    Advances in Space Research ; 11 , 5 ; 169-177


    Publication date :

    1991-01-01


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English