A comprehensive view of the 13 December 2006 CME: From the Sun to the outer heliosphere

Details A comprehensive view of the 13 December 2006 CME: From the Sun to the outer heliosphere A comprehensive view of the 13 December 2006 CME: From the Sun to the outer heliosphere

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsh51b..07l&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SH51B-07

Physics

2101 Coronal Mass Ejections (7513), 2111 Ejecta, Driver Gases, And Magnetic Clouds, 2139 Interplanetary Shocks, 7534 Radio Emissions, 7829 Kinetic Waves And Instabilities

Scientific paper

The first biggest CME in the Stereo era, which occurred on 13 December 2006, is studied in terms of its solar source and heliospheric consequences. The CME appears as a halo event in LASCO coronagraph images and hits the Stereo and ACE spacecraft as a magnetic cloud (MC) preceded by a shock; the shock is also observed at Ulysses which is more than 100 degrees apart from the 1 AU spacecraft in heliocentric longitude, indicative of a large longitudinal extent of the shock. The interplanetary structure of the CME is reconstructed using the Grad- Shafranov technique combined with a minimum variance analysis in an effort to connect with the solar source. Particle acceleration, radio wave emissions and plasma instabilities associated with the shock are investigated by examining the shock geometry and magnetic fluctuations in the sheath region of the MC. We also propagate the in situ measurements at 1 AU to the outer heliosphere using an MHD model in order to compare with Ulysses observations and assess the consequences at large distances.

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