Validation Techniques for the MAS Corona Model

Details Validation Techniques for the MAS Corona Model Validation Techniques for the MAS Corona Model

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agusmsh43a..01s&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SH43A-01

Physics

7509 Corona, 7511 Coronal Holes, 7529 Photosphere, 7594 Instruments And Techniques

Scientific paper

In the interest of making competent predictions about the structure of the solar corona, we have developed the tools necessary to quantitatively compare the Magnetohydrodynamics Around a Sphere (MAS) numerical model to the observed corona. The SAIC coronal modeling group has written an algorithm that creates a two dimensional polarization brightness image of the corona from the model density output by computing the line of sight integral for scattered white light. Using the tools we developed for the CISM Data Explorer, the white light intensity is extracted from the image around the full disk of the Sun at a given radial height. A series of these images, spanning a Carrington rotation, are processed through this method into a Carrington Map, which we use for direct comparison against LASCO C2 polarization brightness data. Our validation will begin with a chi-squared comparison of model to observations of the latitude of the streamer belt brightness maximum during the Whole Sun Month.

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