Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63..550p&link_type=abstract
(Astronomicheskii Zhurnal, vol. 63, May-June 1986, p. 550-555) Soviet Astronomy (ISSN 0038-5301), vol. 30, May-June 1986, p. 326
Astronomy and Astrophysics
Astronomy
2
Atmospheric Turbulence, Cyanogen, Line Shape, Photosphere, Ultraviolet Spectra, Velocity Distribution, Atmospheric Boundary Layer, Doppler Effect, Solar Atmosphere, Spectral Bands
Scientific paper
Weak cyanogen-line profiles (the violet system of bands with υ' - υ" = -1) are analyzed with the aim of redetermination of turbulent velocities in the upper layers of the solar photosphere. From the Liège Solar Atlas some spectral regions of the width 0.3 - 0.6 Å were examined. For the solar disk center resulting Doppler widths, central depths and improved central wavelengths of the elemental components of the cyanogen blends have been obtained. The determined vertical component of the total photospheric velocity field ξ = 2.1 km s-1 has been found to be appreciably smaller than the value ξ = 3.5 km s-1 obtained earlier from the analysis of mean-resolution spectra of CN.
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