Stucture of CMEs in 3D as Inferred From Doppler Shifts

Details Stucture of CMEs in 3D as Inferred From Doppler Shifts Stucture of CMEs in 3D as Inferred From Doppler Shifts

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh12b0749r&link_type=abstract

American Geophysical Union, Fall Meeting 2001, abstract #SH12B-0749

Physics

7513 Coronal Mass Ejections

Scientific paper

Some models of CMEs are characterized by simple homologous expansion. With a combination of coronagraph images and long slit spectra to provide Doppler shifts, or with long slit spectra at several heights, it is possible to reconstruct the CME structure in 3D and follow its evolution. An earlier event was interpreted in terms of an untwisting helix. Here we consider two events (May 10 1999 and October 21 2000) that can almost, but not quite, be matched by expansion from an point explosion with a smooth range of expansion speeds.

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