Physics
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jgr....97.1619k&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 97, Feb. 1, 1992, p. 1619-1631.
Physics
51
Coronal Loops, Solar Magnetic Field, Stellar Mass Ejection, Interplanetary Medium, Magnetic Field Configurations, Solar Maximum Mission, Solar Wind
Scientific paper
The bright structures following 16 coronal mass ejections (CMEs) observed with the coronagraph on the SMM spacecraft are examined. These structures are found to be capable of forming anywhere within the lateral span of a CME, not only at the sides. It is suggested that the bright radial structures are the tops of coronal streamers containing magnetic neutral sheets across which the magnetic fields reverse direction. It is found that the bright features left behind at CME sides, when a CME has left the field of view of this instrument, lasts less than 10 hr. Some bright radial structures form at the sites of preexisting streamers. Some such structures have the broad bases characteristic of helmet streamers. In a number of cases, narrow radial structures form over H-alpha prominences. A reexamination of the structures observed in the Skylab era, including the well-studied CME of August 10, 1973, reveals that they are also consistent with the streamer interpretation.
Hundhausen Arthur J.
Kahler Stephen W.
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