1. Transient Events in the Circumnuclear Regions of AGNs and Quasars As Sources of Imitations of Proper Motions

   • I. M. Khamitov
   • I. F. Bikmaev
   • M. A. Gorbachev

   OriginalPaper 28 November 2023 Pages: 271 - 300

   

2. What Can We Learn about Compton-Thin AGN Tori from Their X-ray Spectra? *

   • F. Melazzini
   • S. Sazonov

   OriginalPaper 28 November 2023 Pages: 301 - 319

   

3. Determination of the Spiral Pattern Speed in the Milky Way from Young Open Star Clusters

   • V. V. Bobylev
   • A. T. Bajkova

   OriginalPaper 28 November 2023 Pages: 320 - 330

   

4. Determination of the Parameters of a Nonlinear Kinematic Galactic Rotation Model Based on the Proper Motions and Radial Velocities of Stars from the Gaia DR3 Catalogue

   • A. S. Tsvetkov
   • F. A. Amosov

   OriginalPaper 28 November 2023 Pages: 331 - 344

   

5. Azimuthal Patterns in Planetesimal Circumstellar Disks

   • T. V. Demidova
   • I. I. Shevchenko

   OriginalPaper 28 November 2023 Pages: 345 - 357