Ayumi Asai, Takako T. Ishii, Hiroaki Isobe, Reizaburo Kitai, Satoru UeNo, Shin'ichi Nagata, Satoshi Morita, Keisuke Nishida, Daikou Shiota, Akihito Oi, Maki Akioka, Kazunari Shibata
We report on the first simultaneous observation of an H-alpha Moreton wave,
the corresponding EUV fast coronal waves, and a slow and bright EUV wave
(typical EIT wave). Associated with an X6.9 flare that occurred on 2011 August
9 at the active region NOAA 11263, we observed a Moreton wave in the H-alpha
images taken by the Solar Magnetic Activity Research Telescope (SMART) at Hida
Observatory of Kyoto University. In the EUV images obtained by the Atmospheric
Imaging Assembly (AIA) on board the Solar Dynamic Observatory (SDO) we found
not only the corresponding EUV fast "bright" coronal wave, but also the EUV
fast "faint" wave that is not associated with the H-alpha Moreton wave. We also
found a slow EUV wave, which corresponds to a typical EIT wave. Furthermore, we
observed, for the first time, the oscillations of a prominence and a filament,
simultaneously, both in the H-alpha and EUV images. To trigger the oscillations
by the flare-associated coronal disturbance, we expect a coronal wave as fast
as the fast-mode MHD wave with the velocity of about 570 - 800 km/s. These
velocities are consistent with those of the observed Moreton wave and the EUV
fast coronal wave.
View original:
http://arxiv.org/abs/1112.5915
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