First Results from Differential Emission Measure Tomography with SDO/AIA

Details First Results from Differential Emission Measure Tomography with SDO/AIA First Results from Differential Emission Measure Tomography with SDO/AIA

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.2105f&link_type=abstract

American Astronomical Society, SPD meeting #42, #21.05; Bulletin of the American Astronomical Society, Vol. 43, 2011

Physics

Atomic Physics

Scientific paper

We present, for the first time, the results of 3D differential emission measure tomography (DEMT) applied to AIA data. The procedure has only be applied to STEREO/EUVI data previously (ApJ 701, 547). The tomographic reconstruction of 30.4 nm channel data provides a convenient tool for qualitative mapping of filaments, whereas combining the tomographic reconstructions from the bands dominated by coronal Fe lines yields a 3D determination of the electron density and temperature as well as higher order information. Compared to DEMT with EUVI, AIA provides enhanced temperature coverage and opportunity for testing assumptions used in the DEM inversion. Furthermore, we discuss the importance to stray light reduction and atomic physics uncertainties to DEMT science.

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