Mar 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988soph..114...81w&link_type=abstract
Solar Physics, Volume 114, Issue 1, pp.81-92
Physics
Scientific paper
This investigation relates two phenomena of the inner and the outer solar coronae: Fe xiv coronal green line transients and white light coronal mass ejections. Fe xiv cinematographic data were taken by the Sacramento Peak Observatory green line coronagraph before and through the completion of the Skylab/ATM Mission. The Fe xiv data are compared to data from the National Center for Atmospheric Research coronagraph on the Skylab spacecraft. Due to few events being observed in common, this comparison is done mostly by using the statistics of each database. One-half of the green line transients are not seen in the outer corona and those tend to be the Fe xiv events which are associated with surges. The other one-half are inner corona manifestations of the white light (outer) coronal mass ejections. With this established, the Fe xiv coronagraph cinematography can be regarded as an especially important tool in studies of coronal mass ejections because such data represent the highest spatial resolution yet achieved on the corona at the lowest-observed heights. The latitude distribution of green line events suggests that mass ejections propagate with refraction or convection toward the equator or the hemispheric current sheet. Finally, transients or coronal mass ejections, on a statistical basis, show 50 100% of their outer corona speeds at heights as low as 1.03 R 0.
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