• Large-scale Motion of Solar Filaments

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    • Keywords


      Sun; filaments; horizontal motions.

    • Abstract


      Precise measurements of heliographic position of solar filaments were used for determination of the proper motion of solar filaments on the time-scale of days. The filaments have a tendency to make a shaking or waving of the external structure and to make a general movement of whole filament body, coinciding with the transport of the magnetic flux in the photosphere. The velocity scatter of individual measured points is about one order higher than the accuracy of measurements.

    • Author Affiliations


      Pavel Ambrož1 Alfred Schroll2

      1. Astronomical Institute of the Acad. Sci. of the Czech Republic, CZ-25165 Ondřejov, The Czech Republic.
      2. Kanzelhöehe Solar Observatory of the University of Graz, A-9521 Treffen, Austria.
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