Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3121802p&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 21, CiteID L21802
Astronomy and Astrophysics
Astrophysics
19
Interplanetary Physics: Ejecta, Driver Gases, And Magnetic Clouds, Interplanetary Physics: Sources Of The Solar Wind, Solar Physics, Astrophysics, And Astronomy: Coronal Mass Ejections, And Astronomy: Instruments And Techniques
Scientific paper
We describe a straightforward methodology for determining the location and other gross properties of CMEs within the coronagraph field of view in the upcoming STEREO mission observations. We use geometric triangulation upon a series of lines-of-sight taken from two spacecraft views that are locally tangent to the apparent edges of a CME. From the intersections of these lines-of-sight, we construct a set of stacked quadrilaterals that fully bound the structure and convey something of its location, shape, and size; a time sequence of such determinations can be used to determine the velocity. The technique is relatively robust and promises a substantial improvement in our capability to locate and characterize CMEs for research as well as forecasting purposes.
Biesecker Doug A.
Pizzo Victor J.
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