1. Chromatic Afterglow of GRB 200829A

   • N. S. Pankov
   • A. S. Pozanenko
   • R. Ya. Inasaridze

   OriginalPaper 18 July 2023 Pages: 81 - 109

   

2. Determination of the Spiral Pattern Speed in the Galaxy from Three Samples of Stars

   • V. V. Bobylev
   • A. T. Bajkova

   OriginalPaper 18 July 2023 Pages: 110 - 118

   

3. First Adiabatic Invariant and the Brightness Temperature of Relativistic Jets

   • V. S. Beskin
   • T. I. Khalilov
   • V. I. Pariev

   OriginalPaper 18 July 2023 Pages: 119 - 128

   

4. Optical Study of the Polar BM CrB in a Low State

   • A. I. Kolbin
   • N. V. Borisov
   • M. V. Suslikov

   OriginalPaper 18 July 2023 Pages: 129 - 140

   

5. High-precision Astrometric Observations of the SRG Space Observatory with RTT-150 for Orbit Correction Control

   • I. M. Khamitov
   • I. F. Bikmaev

   OriginalPaper 18 July 2023 Pages: 141 - 150