ABOUT SOME FEATURES OF SAFERT GALAXIES OF VARIOUS SPECTRAL TYPES AND FLASHES OF TOP SUPERNOVA STARS IN THEM

Abstract

Several regularities of variability of the physical parameters dealing with Seyfert galaxies and with the ares of Supernova stars in them are considered in the present article. The review of the works dealing with the variability of the spectral types of the Seyfert galaxies is given in the introduction