Application of the SIMPLEX method to the analysis of spectral lines of solar prominences

Details Application of the SIMPLEX method to the analysis of spectral lines of solar prominences Application of the SIMPLEX method to the analysis of spectral lines of solar prominences

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acasn..33..171l&link_type=abstract

Acta Astronomica Sinica (ISSN 0001-5245), vol. 33, no. 2, p. 171-178.

Astronomy and Astrophysics

Astronomy

7

Simplex Method, Solar Prominences, Solar Spectra, Coronal Loops, Line Spectra

Scientific paper

A simplex method is proposed for fitting the line profiles of solar prominences. The use of this method avoids the need for calculating the derivative of the objective function. To demonstrate the method, it is used to fit the asymmetric and symmetric line profiles of the loop prominence of Feb 18, 1984. The results obtained are compared with those obtained by the steepest descent method. The largest error of the optical depth at the line center is estimated at 18.2 percent.

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