Activity associated with the solar origin of coronal mass ejections

Details Activity associated with the solar origin of coronal mass ejections Activity associated with the solar origin of coronal mass ejections

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987soph..108..383w&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 108, no. 2, 1987, p. 383-401.

Physics

164

Coronagraphs, Polarimetry, Solar Corona, Stellar Activity, Stellar Mass Ejection, Satellite Observation, Solar Maximum Mission, Solar Prominences, Solar X-Rays

Scientific paper

Solar coronal mass ejections (CMEs) observed in 1980 with the HAO Coronagraph/Polarimeter on the Solar Maximum Mission (SMM) satellite are compared with other forms of solar activity that might be physically related to the ejections. The solar phenomena checked and the method of association used were intentionally patterned after those of Munro et al.'s (1979) analysis of mass ejections observed with the Skylab coronagraph to facilitate comparison of the two epochs. Comparison of the results reveals that the types and degree of CME associations are similar near solar activity minimum and at maximum. For both epochs, most CMEs with associations had associated eruptive prominences, and the proportions of association of all types of activity were similar. A high percentage of association between SMM CMEs and X-ray long duration events is also found, in agreement with Skylab results. It is concluded that most CMEs are the result of the destabilization and eruption of a prominence and its overlying coronal structure, or of a magnetic structure capable of supporting a prominence.

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