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Yohkoh Observations of Coronal Structures Surrounding Dark Filaments

Published online by Cambridge University Press:  12 April 2016

Yutaka Uchida
Yutaka Uchida*
Affiliation:
Physics Department, Science University of Tokyo, Shinjuku-ku, Tokyo, Japan

Abstract

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We describe in this paper some of the findings of the Yohkoh satellite about the coronal structure surrounding dark filaments in the pre-event and initial phases of high latitude arcade formation events. The knowledge of pre-event structure and its change is essential for the proper understanding of the arcade flaring process from the causality point of view. The wide dynamic range and high sensitivity obervations by Yohkoh allow us to look into the faint structures and their changes with the use of a faint-feature-enhancing technique in the image analysis.

Type
Filaments and Their Environment
Information
International Astronomical Union Colloquium , Volume 167: New Perspectives on Solar Prominences , 1998 , pp. 163 - 170
Copyright
Copyright © Astronomical Society of the Pacific 1998

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