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Temperature Tomography of a Coronal Sigmoid Supporting the Gradual Formation of a Flux Rope

By Durgesh Tripathi and others
Multi-wavelength observations of a sigmoidal (S-shaped) solar coronal source by the EUV Imaging Spectrometer and the X-ray Telescope aboard the Hinode spacecraft and by the EUV Imager aboard STEREO are reported. The data reveal the coexistence of a pair of J-shaped hot arcs at temperatures T>2 MK with an S-shaped... Show more
April 30, 2009
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Temperature Tomography of a Coronal Sigmoid Supporting the Gradual Formation of a Flux Rope
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