AbstractThe orbiting solar telescope on Salyut-4 (F = 2,5 m, d = 250 mm) produces images of the Sun on the entrance slit of a stigmatic two-grating spectrograph (R1 = 1 m, N1 = 1200 lines/mm; R2 = 0.5 m, N2 = 2400 lines/mm, dispersion 16 Å/mm, spectral resolution 0,3 Å). The automatic system keeps the observed solar features on the slit of the spectrograph with an accuracy of 3–4 arc sec. The far UV-spectra (970–1400 Å) of solar flares, brightenings, flocculi and prominences were photographed and fresh coatings of mirrors were made during the flight.


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    Titel :

    Orbiting solar telescope on “Salyut-4” station


    Beteiligte:
    Bruns, A.V. (Autor:in) / Grechko, G.M. (Autor:in) / Gubarjev, A.A. (Autor:in) / Klimuk, P.I. (Autor:in) / Sevastjanov, V.I. (Autor:in) / Severny, A.B. (Autor:in) / Steshenko, N.V. (Autor:in)

    Erschienen in:

    Acta Astronautica ; 4 , 11-12 ; 1121-1125


    Erscheinungsdatum :

    1977-03-18


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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