A NEW CHALLENGE IN THE STUDY OF YOUNG STARS:MASSIVE HBE STARS
N.Z. Ismailov, H.N. Adigozalzade

5

ON SPECTRAL CLASSES OF SEYFERT GALAXIES AND THEIR EVOLUTION
N.A. Huseynov, V.M. Khalilov, P.N. Shustarev

17

THE GALACTIC DISTRIBUTION OF WOLF-RAYET STARS
J.N. Rustamov, A.F. Abdulkarimova

24

DETERMINATION OF THE CONTENT OF MOLECULAR HYDROGEN IN ATMOSPHERES URANUS AND NEPTUNE
A.A. Atai, Z.S. Farziev

32

BVRcIc PHOTOMETRIC MONITORING OF THE SEYFERT GALAXY NGC 3516 IN 2017-2021
S.R. Rahimli, V.M. Tahirov, N.A. Huseynov

36

SPECTROSCOPIC AND PHOTOMETRIC OBSERVATIONS OF THE SUPERNOVAE SN2020JEE
N.Z. Ismailov, Kh.M. Mikhailov, O.V. Khalilov, I.A. Alekberov, S.A. Alishov

42

BVRcIc MONITORING OF THE SEYFERT GALAXY OF THE FIRST TYPE NGC 7469
Z.F. Binnatova, B.I. Abdullayev, N.A. Huseynov

47

STUDY OF SOLAR FLARES IN CENTIMETER RANGE BY DYNAMICAL METHODS
S.Sh. Huseynov, Sh.Sh. Huseynov

54

FUNDAMENTAL PARAMETERS OF SUPERGIANT STAR HD 187982 (A2 Ia)
Z.A. Samedov, A.Sh. Baloglanov, G.M. Hajiyeva, S.Sh. Rajabova

63