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Ayumi Asai   Submitted: 2008-06-05 23:36

We present a detailed examination of strongly blueshifted emission lines observed with the EUV Imaging Spectrometer on board the Hinode satellite. We found two kinds of blueshifted phenomenon associated with the X3.4 flare that occurred on 2006 December 13. One was related to a plasmoid ejection seen in soft X-rays. It was very bright in all the lines used for the observations. The other was associated with the faint arc-shaped ejection seen in soft X-rays. The soft X-ray ejection is thought to be an MHD fast-mode shock wave. This is therefore the first spectroscopic observation of an MHD fast-mode shock wave associated with a flare.

Authors: Ayumi Asai, Hirohisa Hara, Tetsuya Watanabe, Shinsuke Imada, Taro Sakao, Noriyuki Narukage, J. L. Culhane, G. A. Doschek
Projects: Hinode/EIS

Publication Status: ApJ (accepted; 2008, 684, in press)
Last Modified: 2008-09-23 21:00
Go to main E-Print page  Traveling Waves in the Sunspot Chromosphere: Problems and Puzzles of Experiments;  Subject will be restored when possible  Edit Entry  Download Preprint  Submitter's Homepage Delete Entry 

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