Abstract
Abstract The investigation of line shapes as well as of the variability of line and continuum flux in Active Galactic Nuclei helps us to model the central part of these objects. Here we present our investigations of spectral line shapes of two Sy 1 galaxies: Akn120 and IIIZw2. The shapes of Lyα, Hβ, Hα, and MgII[2798] of Akn120 and IIIZw2 have been analyzed. The spectra were taken from different sources: the spectra of the Hβ line were observed at Crimean Astrophysical Observatory by K.K. Chuvaev on the 2.6 m Shajn telescope; Lyα, and MgII[2798] observed by the Hubble Space Telescope and Hα line of IIIZw2 observed on INT in the Canary Islands. We have analyzed the averaged line profile shapes of the Hβ line over the period 1971–1990 using Gaussian decomposition. The model of a rotating accretion disk was applied in the case of the IIIZw2 Lyα and Hα lines.
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