Numerical experiments on the accuracy of semiempirical reproduction of high-dispersion stellar spectra

Details Numerical experiments on the accuracy of semiempirical reproduction of high-dispersion stellar spectra Numerical experiments on the accuracy of semiempirical reproduction of high-dispersion stellar spectra

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mmsai..48..727g&link_type=abstract

Società Astronomica Italiana, Memorie, vol. 48, Dec. 1977, p. 727-736. In Italian.

Computer Science

Numerical Analysis

Error Analysis, Line Spectra, Radiant Flux Density, Spectrum Analysis, Stellar Spectra, Curve Fitting, Numerical Analysis, Spectral Resolution, Turbulence, Wavelengths

Scientific paper

The accuracy obtainable in the measurement of spectral line intensities derived by numerical fitting of an observed spectrum is discussed. The intensity values show a small systematic variation according to the adopted value for the microturbulence velocity and are sensitive to a wavelength error of 0.02 A, while plate noise is of minor importance. A mean error of about 10 percent is derived.

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