Comparing Global Coronal Models to CoMP Data

Details Comparing Global Coronal Models to CoMP Data Comparing Global Coronal Models to CoMP Data

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh43b1941r&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SH43B-1941

Astronomy and Astrophysics

Astrophysics

[7509] Solar Physics, Astrophysics, And Astronomy / Corona, [7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields

Scientific paper

Coronal polarization data is one of the very few available quantitative measurements of the coronal magnetic field, which makes it extremely attractive as a means of validating numerical models. Our forward analysis technique produces synthetic line-of-sight integrated polarization signals from coronal models. We present initial results from comparisons of forward calculations of the Potential Field Source Surface (PFSS) model to polarization data taken with the Coronal Multichannel Polarimeter (CoMP). This research focuses on validating the applicability of the PFSS model by determining how much the real corona deviates from a potential field. The non-potentiality of the corona not only has applications for testing the PFSS field, but also for forecasting, and for finding the locations of greatest magnetic energy storage.

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