Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh41a1630o&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SH41A-1630
Astronomy and Astrophysics
Astrophysics
[2111] Interplanetary Physics / Ejecta, Driver Gases, And Magnetic Clouds, [2139] Interplanetary Physics / Interplanetary Shocks, [2788] Magnetospheric Physics / Magnetic Storms And Substorms, [7513] Solar Physics, Astrophysics, And Astronomy / Coronal Mass Ejections
Scientific paper
Fast Coronal Mass Ejections (CMEs) drive shock waves that can be recognized in the coronagraph images. Properties of the shock and the CME, such as density compression ratio, mass, kinetic energy, and the direction of propagation, can be measured from these images. The aim of this study is: (1) to compare these properties with in-situ measurements of the large scale Shock-Sheath-CME structure in the interplanetary medium, and (2) to track back to the Sun geoeffective parameters of the CME-shock, that have been recognized as the main cause of moderate and intense geomagnetic storms.
Gonzalez-Esparza Americo
Ontiveros Veronica
Vourlidas Angelos
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