Abstract
Various models of the activity of the source of nonthermal radio emission at the center of the Galaxy are analyzed. The profiles of the galactic nonthermal radio emission at 85 and 150 MHz are calculated on the basis of a three-component model of the observed galactic radio emission: stationary nucleus-radio disk-loop objects. The observed and calculated profiles are compared. The observed angular distribution of the nonthermal radio emission of the Galaxy agrees with the model of a stationary source of cosmic electrons at the galactic center. A model of the origin of the galactic cosmic electrons is considered in which a large proportion of them is formed during periodic activity of the galactic nucleus.
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