Physics
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jgr....89.2113s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 89, April 1, 1984, p. 2113-2121.
Physics
55
Coronal Loops, Density Distribution, Brightness Distribution, Compression Waves, Contours, Coronagraphs, Mathematical Models, Skylab Program, Stellar Mass Ejection
Scientific paper
Skylab coronagraph observations of intensity changes in the five outer coronal 'loop-like' transients indicate trends toward the greatest concentration of material at the flanks of the bright loops characterizing such transients, together with the presence of a large depleted density region within the loops and the development of bright legs which contain most of the material in the transient and display minimal lateral motion as the top of the bright loop moves radially outward through the corona. Theoretical models for these phenomena predict a maximum enhancement at the top of the loop, rather than at the flanks, and legs that move laterally with a significant fraction of the propagation speed of the loop top, in contrast with observation. Agreement cannot be achieved without the use of a geometry that conflicts with that used for the model calculations.
Hundhausen Arthur J.
MacQueen Robert M.
Sime D. G.
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