Vol. 81 (1990)

The 81 volume of the ’’Izvestiya Krymskoy Astrofizicheskoy Observatorii” presents the original articles containing the results of investigations of the solar activity and radioemission from the local sources on the Sun, comparative characteristics of new astreroids discovered at the Observatory in the recent two decades, peculiar object Kuvano-Honda (PU Vul), the variability of the magnetic field of the star supergiant 7Cyg, the spectra of a peculiar galaxy NGC 1275 nucleus, the spectra of extragalactic radio sources at mm—wavelengths, the periodicity in gamma-emission from X-3 Cyg, the descriptions of new optical systems and an electric driver for a gamma-telescope are also given.

Published: 2020-10-09