Determination of True 3D Trajectories of Filaments' Knots

Physics

Scientific paper

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Scientific paper

We describe the first results of reconstruction of true 3D trajectories of prominence knots observed with the Wroc3aw Multi-channel Subtractive Double Pass imaging spectrograph. The reconstructed trajectory of one knot observed in filament on June 4, 2002 on solar disc is presented as examples of the achieved results. Using MSDP data the trajectories of the knots of active and eruptive prominences can be reconstructed in the altitude range from the solar surface up to one solar radius above it. The obtained information can support future results of the STEREO satellites, which will provide us with 3D images of the CMEs' structure and their spatial evolution from 1.4 solar radii up to 1 AU. Comparison with models of magnetic skeleton is also possible. Common ground-based and space observations will provide in the nearest future a coherent view on the destabilization, eruption and evolution of the huge magnetic systems, manifested by prominences eruptions and CMEs.

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