Deceleration of CMEs in the interplanetary medium: comparison of different analytic models

Details Deceleration of CMEs in the interplanetary medium: comparison of different analytic models Deceleration of CMEs in the interplanetary medium: comparison of different analytic models

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh23a1945c&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SH23A-1945

Astronomy and Astrophysics

Astrophysics

[7513] Solar Physics, Astrophysics, And Astronomy / Coronal Mass Ejections, [7924] Space Weather / Forecasting

Scientific paper

We study the evolution of fast CMEs from near the Sun to 1 AU. There are several analytic models to describe the CME's propagation and to predict the 1 AU transit times and arrival velocities. In this work we compare the drag force (Vrsnak & Gopalswamy [2002], Cargill [2004]), mass piling up (Canto et al. [2005], Tappin [2006]) and viscous and turbulent force (Borgazzi et al. [2009]) deceleration models. We present a few study cases applying the different models and comparing the results with observations. We discuss the similarities and differences between the models.

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