Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsh51c1691h&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SH51C-1691
Astronomy and Astrophysics
Astrophysics
[7513] Solar Physics, Astrophysics, And Astronomy / Coronal Mass Ejections, [7924] Space Weather / Forecasting
Scientific paper
Coronal mass ejections (CMEs), when directed towards Earth, are the primary driver for space weather. It is therefore important to predict their arrival time at Earth, as well as their speed and other characteristics. We propose a snow-plow analytical model that we apply to some CMEs using 3-D steady-state solar wind driven by magnetic field observations. The results are compared with other from existing methods and in situ observations, giving good estimation of CMEs arrival time to 1AU. We also present different image processing methods and preliminary results for automated detection of CMEs front and shape. These preliminary results are compared to data were the intervention of human judgment played a mayor role.
Hernandez Charpak J.
Hernandez Hoyos M.
Lugaz Noé
Perez Romanello C.
Roussev Ilia I.
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