Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.1308h&link_type=abstract
American Astronomical Society, SPD meeting #42, #13.08; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Processing of STEREO/HI-2 heliospheric image data has reached a level where extremely faint structures can be tracked through their entire trajectory to 1 AU. This enables detailed comparison with auxiliary datasets allowing an unambiguous identification of solar wind transient structures from the Sun to 1 AU and beyond. These transients are in the scale range from large CMEs to "puffs" only a few hundred Mm across. For events that impact in-situ spacecraft, we are able to make quantitative measurements of these transients without the confusion involving the identification of heliospheric image features. We present results utilizing a new processing pipeline of HI-2 data developed by DeForest et al. (2011) that link transient features observed by white light coronagraphs with in-situ datasets near 1 AU. The results include attempts of three-dimensional reconstruction, trajectory and kinematic evolution of these features, along with a detailed in-situ analysis of the magnetic field and plasma comprising each of the features.
DeForest Craig Edward
Howard Tim A.
Reinard Alysha
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