https://sjunijournals.ge/index.php/AA <p>The journal “<strong>Astronomy &amp; Astrophysics (Caucasus)</strong>” is an international, scientific peer-reviewed electronic publication. The purpose of the journal is to provide the scientific society with the information about the latest researches in astronomy and astrophysics. The technical parameters of the articles submitted to the “<strong>Astronomy &amp; Astrophysics (Caucasus)</strong>” are similar to those of the articles published in the US leading international scientific journals. Only the original astronomical and astrophysical articles after with a positive review will be published in the journal.</p> <p>The journal also publishes papers of international scientific conferences (forums, symposiums, etc.), reports of scientific expeditions and reviews.</p> en-US Astronomy & Astrophysics (CAUCASUS) 2449-2493 https://sjunijournals.ge/index.php/AA/article/view/198 <p>Changes of some physical parameters obtained from the theoretical model calculations in several catalogs for Seyfert galaxies of spectral classes Sy 1 and Sy 2 are analyzed in the present work and a conclusion suggesting that there is a high probability that the existing evolution of Seyfert galaxies occurs from the spectral class Sy 2 to Sy 1 is made.</p> N.A. Huseynov V.M. Khalilov P.N. Shustarev Copyright (c) 2023 Astronomy & Astrophysics (CAUCASUS) 2023-11-13 2023-11-13 7 1 7