Astronomy and Astrophysics – Astronomy
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...200.5509c&link_type=abstract
American Astronomical Society, 200th AAS Meeting, #55.09; Bulletin of the American Astronomical Society, Vol. 34, p.733
Astronomy and Astrophysics
Astronomy
Scientific paper
A Levenberg-Marquardt fitting technique was developed and applied to Stokes profiles obtained from the San Fernando Observatory's Video Spectra-Spectroheliograph (SFO-VSSHG). Fits were the result of a sum of Gaussians that fitted a given profile through the Marquardt method. The fits were then used to create maps of the magnetic field properties in the data. Herein, we present maps of these properties and their comparison to maps done by the current method of profile analysis at the observatory, the center of gravity method. Furthermore, the Marquardt method also provides a new dimension to the SFO-VSSHG data; it allows further analysis of the profile properties themselves, and we show some of these preliminary results as well. This research was supported by NSF grant ATM-0077624.
Ceja Jose A.
Walton Stephen R.
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