Volume 4, no. 1 of the Acta Astrophysica Taurica contains  proceedings of the Crimean-2021 AGN Conference Galaxies with Active Nuclei on Scales from Black Hole to Host Galaxy held 13-17 September 2021 in Nauchny. The collection of papers is intended for specialists in astronomy and astrophysics.

Published: 28.09.2023

Objects with ultra-steep spectra in the central section of the RATAN Zenith Field (RZF) survey

Yu.N. Parijskij, A.V. Temirova, N.N. Bursov, T.A. Semenova, A.A. Kudryashova

1-7

28 September 2023

The optical and infrared study of an active star-formation region in the southern part of Mon R2

Tigran Movsessian, Tigran Magakian, John Bally, Aleksei Moiseev, Hasmik Andreasyan

8-11

28 September 2023