STEREO/SECCHI Simulations of CMEs and Flares using TRACE Images

Details STEREO/SECCHI Simulations of CMEs and Flares using TRACE Images STEREO/SECCHI Simulations of CMEs and Flares using TRACE Images

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsh22a..02a&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #SH22A-02

Physics

7509 Corona, 7513 Coronal Mass Ejections, 7594 Instruments And Techniques, 2100 Interplanetary Physics, 2194 Instruments And Techniques

Scientific paper

We simulate 3D models of EUV images of flare and CME events, using TRACE EUV movies. TRACE movies show 2D images in projection along a particular line-of-sight. We simulate 3D models of erupting filaments, flare loops, and postflare loops using: (1) a ``finger printing'' technique to trace linear structures in 2D images; (2) geometric 3D models based on force-free fields and curvature radius maximization of flare loop and flux rope structures; (3) conservation of velocity and acceleration parameters; (4) multi-temperature plasma filling according to hydrodyamic scaling laws; and (5) 2D projections from secondary line-of-sights that correspond to viewpoints of the secondary STEREO spacecraft. From such simulations we envision to illustrat 3D time-dependent models, what would be observed at the two STEREO spacecraft positions as well as from a near-Earth spacecraft such as SoHO. These simulations are used to test STEREO analysis software and to investigate what physical parameters and geometric 3D reconstructions can be retrieved from STEREO/SECCHI data.

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