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Sizes and locations of coronal mass ejections - SMM observations from 1980 and 1984-1989A statistical description of the sizes and locations of 1209 mass ejections observed with the SMM coronagraph/polarimeter in 1980 and 1984-1989 is presented. The average width of the coronal mass ejections detected with this instrument was close to 40 deg in angle for the entire period of SMM observations. No evidence was found for a significant change in mass ejection widths as reported by Howard et al. (1986). There is clear evidence for changes in the latitude distribution of mass ejections over this epoch. Mass ejections occurred over a much wider range of latitudes at the times of high solar activity (1980 and 1989) than at times of low activity (1985-1986).
Document ID
19930071529
Document Type
Reprint (Version printed in journal)
Authors
Hundhausen, A. J. (High Altitude Observatory Boulder, CO, United States)
Date Acquired
August 16, 2013
Publication Date
August 1, 1993
Publication Information
Publication: Journal of Geophysical Research
Volume: 98
Issue: A8
ISSN: 0148-0227
Subject Category
SOLAR PHYSICS
Funding Number(s)
CONTRACT_GRANT: NASA ORDER S-04167-D
Distribution Limits
Public
Copyright
Other