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Soft X-Ray Observations of Eruptive Prominences

Published online by Cambridge University Press:  12 April 2016

T. Watanabe ,
M. Yamamoto ,
H. Hudson ,
M. Irie ,
K. Ichimoto ,
H. Kurokawa  and
H. Yatagai
T. Watanabe
Affiliation:
Ibaraki University, Mito 310, Japan
M. Yamamoto
Affiliation:
Ibaraki University, Mito 310, Japan
H. Hudson
Affiliation:
Solar Physics Research Corp., Tucson, U.S.A. and ISAS, Sagamihara 229, Japan
M. Irie
Affiliation:
National Astronomical Observatory, Tokyo 181, Japan
K. Ichimoto
Affiliation:
National Astronomical Observatory, Tokyo 181, Japan
H. Kurokawa
Affiliation:
Hida Observatory, Kyoto University, Kamitakara 506-13, Japan
H. Yatagai
Affiliation:
Fujitsu Co. Ltd, Tokyo, Japan

Abstract

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Evolution of magnetic structures in the region around an eruptive prominence of August 28, 1992 are examined using soft X-ray images obtained by Yohkoh. The eruption was preceded by the appearance of a large-scale soft X-ray jet which was ejected from near the root of the southern end of the prominence. Changes of magnetic geometry at the southern end of the prominence appeared to trigger the eruption. In the course of prominence eruption, helically twisted soft X-ray loops were observed around the prominence. This indicates that magnetic reconnection of a sheared arcade took place underneath the erupting prominence.

Type
Birth and Death of Filaments
Information
International Astronomical Union Colloquium , Volume 167: New Perspectives on Solar Prominences , 1998 , pp. 376 - 379
Copyright
Copyright © Astronomical Society of the Pacific 1998

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