White-light and in-situ observations of an Earth-impacting CME using the STEREO spacecraft

Details White-light and in-situ observations of an Earth-impacting CME using the STEREO spacecraft White-light and in-situ observations of an Earth-impacting CME using the STEREO spacecraft

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009eguga..11.8052r&link_type=abstract

"EGU General Assembly 2009, held 19-24 April, 2009 in Vienna, Austria http://meetings.copernicus.org/egu2009, p.8052"

Computer Science

Scientific paper

We use the heliospheric imagers (HIs) onboard the STEREO A and B spacecraft to analyse the propagation of an Earth-impacting Coronal Mass Ejection (CME) during November 2007. The transient is observed continuously in white-light images from the Sun to 1 AU. The 3-D propagation path is determined and a method is outlined to obtain the acceleration profile of the transient. The CME comprises two large density increases in white-light images. Comparison of white-light and in-situ observations shows that the flux-rope is embedded inside these two density increases. The evolution of the CME brightness in white-light images is discussed in terms of the kinematic evolution of the transient and its interaction with the ambient solar wind.

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