A Quick Method for Estimating the Propagation Direction of Coronal Mass Ejections Using STEREO-COR1 Images
Abstract
We describe here a method to obtain the position of a coronal moving feature in a three-dimensional coordinate system based on height - time measurements applied to STEREO data. By using the height - time diagrams from the two SECCHI-COR1 coronagraphs onboard STEREO, one can easily determine the direction of propagation of a coronal mass ejection (i.e., if the moving plasma is oriented toward or away from the Earth). This method may prove to be a useful tool for space weather forecasting by easily identifying the direction of propagation as well as the real speed of the coronal mass ejections.
- Publication:
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Solar Physics
- Pub Date:
- November 2008
- DOI:
- 10.1007/s11207-008-9267-8
- Bibcode:
- 2008SoPh..252..385M
- Keywords:
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- Corona: structures;
- Coronal mass ejections: initiation and propagation