Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...455l..81b&link_type=abstract
Astrophysical Journal Letters v.455, p.L81
Astronomy and Astrophysics
Astronomy
14
Sun: Corona, Sun: Transition Region, Sun: Uv Radiation
Scientific paper
The quiet-Sun relations between the C IV line parameters, intensity, wavelength shift, and line broadening, are studied with high spatial and spectral resolution. The material is ordered into equal intervals for one of the line parameters, and conditional probabilities are calculated. As the Doppler velocity increases, we find that redshifted profiles with a large intensity or line width constitute an increasing fraction of the total number of profiles in a given velocity interval. For blueshifted profiles, on the other hand, the conditional probabilities for finding a profile with considerable intensity or line width decrease as the line shift increases. Similar relations are found when the material is ordered according to intensity or line-width values.
Brynildsen Nils
Kjeldseth-Moe Olav
Maltby Per
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