The influence of spectral resolution on line blending and wavelength positions in the solar UV spectrum

Details The influence of spectral resolution on line blending and wavelength positions in the solar UV spectrum The influence of spectral resolution on line blending and wavelength positions in the solar UV spectrum

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980soph...65..405g&link_type=abstract

Solar Physics, vol. 65, Mar. 1980, p. 405-409.

Physics

3

Line Spectra, Solar Spectra, Spectral Resolution, Ultraviolet Spectra, Absorption Spectra, Fraunhofer Lines, Wavelengths

Scientific paper

For representative sections of the solar UV spectrum (2765 A-2790 A, 2765 A-2805 A) the line density and the accuracy of wavelength positions of absorption features are derived as function of the spectral resolution. In low resolution spectrograms unresolved blends may shift intrinsic wavelength positions of absorption lines by amounts up to a few tenths of the spectral resolution. The results obtained for the solar spectrum are applied to the flux spectrogram of Alpha CMi

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