High Angular Resolution Studies of Coronal Structures with SOHO |
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| Authors: | Margarita Karovska Brian Wood John W Cook James Chen Russ Howard |
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| Institution: | (1) Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA;(2) Naval Research Laboratory, Washington, DC, USA |
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| Abstract: | Since January 1996, the Solar and Heliospheric Observatory (SOHO)has been providing unprecedented views of the extended solar coronato heliocentric distances of up to 32 solar radii. During the past threeyears we carried out studies of the morphology and dynamical evolutionof various structures in the solar corona using two instruments on boardSOHO: the Large Angle Spectrometric Coronagraph (LASCO) and the ExtremeUltraviolet Imaging Telescope (EIT). We have applied advanced image resolutionenhancement techniques to explore in detail the characteristics of thesmall-scale structures and/or the low contrast structures in the solarcorona. We describe here the results from these high-angular resolutionstudies, including of the kinematics of several Coronal Mass Ejections andpolar jets. |
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