Analysis of the Shock Properties of a Self Consistent MHD Modeling of a Driven Fast Forward Mode Interplanetary Shock

Details Analysis of the Shock Properties of a Self Consistent MHD Modeling of a Driven Fast Forward Mode Interplanetary Shock Analysis of the Shock Properties of a Self Consistent MHD Modeling of a Driven Fast Forward Mode Interplanetary Shock

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh23a1936b&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SH23A-1936

Physics

[0654] Electromagnetics / Plasmas, [2111] Interplanetary Physics / Ejecta, Driver Gases, And Magnetic Clouds, [2139] Interplanetary Physics / Interplanetary Shocks

Scientific paper

We investigate the evolution in the location of the weak, moderate, and strong shock regions from about 30 to 225 solar radii with the help of a 3-D MHD simulation. The self-consistent MHD evolution is of a shock driven by a large, massive, and very fast coronal mass ejection plowing through an average steady state solar wind. We investigate the prediction on the evolution of the shock strength with time, and distance from the Sun at different locations in longitude. Further, we proceed to compare the model prediction to multi-spacecraft observations and shock strength evaluations in an earlier work (1). Here we further infer for a specific location of the sensing platform in the 'modeled' solar wind the interval of magnetic connection to the different regions of the shock. This MHD model of a transient moving through a realistic steady state solar wind has been recently used to model some outstanding events during the 23rd solar cycle, see .e.g., ref. 2. (1) Berdichevsky D. B., D.V., Reames, C.-C., Wu, R. Schwenn, R.P., Lepping, R.J., MacDowall, C.J., Farrugia, J.-L., Bougeret, C., Ng, A.J., Lazarus, Adv. In Space Res., 43, 113-119, 2009 (2) Wu, C.-C., K., Liou, S.T., Wu, M., Dryer, C.D., Fry, and S., Plunkett, 2011, submitted to the Proceedings of the10th AIA meeting in Maui, Hawaii, US, March 2011.

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