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Disruption of a coronal streamer by an eruptive prominence and coronal mass ejectionThe coronal mass ejection of August 18, 1980 is analyzed using images from the coronagraph on the Solar Maximum Mission (SMM) satellite. The event occurred at the site of a large coronal helmet streamer and evolved into the three-part structure of a bright frontal shell, followed by a relatively dark space surrounding a bright filamentary core as seen in many mass ejections of the SMM epoch. The bright core can be identified as material from a prominence whose eruption was observed from the ground. The mass of the frontal shell is equal to that of the coronal helmet streamer, indicating that the shell is the coronal material previously in the helmet streamer, displaced and set into motion by the erupting prominence and surrounding cavity. The mass ejected in the bright core (or prominences) is estimated to be 50 percent larger than the 'coronal' material in the front loop.
Document ID
19870032763
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Illing, R. M. E.
(Colorado Univ. Boulder, CO, United States)
Hundhausen, A. J.
(High Altitude Observatory Boulder, CO, United States)
Date Acquired
August 13, 2013
Publication Date
October 1, 1986
Publication Information
Publication: Journal of Geophysical Research
Volume: 91
ISSN: 0148-0227
Subject Category
Solar Physics
Accession Number
87A20037
Funding Number(s)
CONTRACT_GRANT: NASA ORDER S-55989
CONTRACT_GRANT: NASA ORDER S-55989-A
Distribution Limits
Public
Copyright
Other

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