Constructing a Stäckel Model of the Galaxy: Solving the Problem of Whether the Vertical Density Distribution Is Realistic A. O. GromovI. I. Nikiforov OriginalPaper 24 October 2021 Pages: 357 - 376
Change in the Orbital Period of a Binary System Due to an Outburst in a Windy Accretion Disk A. L. AvakyanG. V. LipunovaN. I. Shakura OriginalPaper 24 October 2021 Pages: 377 - 389
Study of the X-ray Pulsar XTE J1946+274 with NuSTAR A. S. GorbanS. V. MolkovA. A. Lutovinov OriginalPaper 24 October 2021 Pages: 390 - 401
The First Light Curve Solutions and Period Study of BQ Ari A. PoroF. DavoudiA. Solmaz OriginalPaper 24 October 2021 Pages: 402 - 410
Effects of Metallicity on Mode Switching in Cepheids Yu. A. Fadeyev OriginalPaper 24 October 2021 Pages: 411 - 419
Search for Evolutionary Changes in the Period of the Classical Cepheid CE Pup L. N. Berdnikov OriginalPaper 24 October 2021 Pages: 420 - 429
Search for Evolutionary Changes in the Periods of the Double-Mode Cepheid AS Cas L. N. BerdnikovA. A. BelinskiiN. I. Shatskii OriginalPaper 24 October 2021 Pages: 430 - 441