1. Stellar-to-Halo Mass Ratio and Dark Matter Profiles

   • A. Del Popolo

   OriginalPaper 26 August 2021 Pages: 529 - 542

   

2. The First Light Curve Solution of GW Leo and Refined Ephemeris of Two Contact Binary Systems

   • A. Poro
   • A. Halavati
   • M. Hedayatjoo

   OriginalPaper 26 August 2021 Pages: 543 - 551

   

3. Structure of the H₂O Maser in NGC 2071 IRS 1 from Observations on the Ground-Space Radio Interferometer RadioAstron

   • M. A. Shchurov
   • I. E. Val’tts
   • N. N. Shakhvorostova

   OriginalPaper 26 August 2021 Pages: 552 - 568

   

4. Eclipsing Binary Systems XZ Per and BO Vul with Complex Variations in Orbital Periods

   • A. I. Khaliullina

   OriginalPaper Open access 26 August 2021 Pages: 569 - 579

   

5. Analysis of Photoelectric Occultations and Development of a Digital Model of the Lunar Libration Zone

   • K. O. Churkin
   • Yu. A. Nefedyev
   • E. V. Kronrod

   OriginalPaper 26 August 2021 Pages: 580 - 587

   

6. Study of the Secular Evolution of Circumbinary Systems Using R-Toroid and Gaussian Ring Models

   • B. P. Kondratyev
   • V. S. Kornoukhov

   OriginalPaper 26 August 2021 Pages: 588 - 597

   

7. Comparative Analysis of the Propagation Conditions of Millimeter Radio Waves at Radio Astronomy Polygons in Russia and Uzbekistan

   • I. T. Bubukin
   • I. V. Rakut
   • R. V. Gorbunov

   OriginalPaper 26 August 2021 Pages: 598 - 614

   

8. Observability of Single Neutron Stars at SRG/eROSITA

   • A. D. Khokhryakova
   • A. V. Biryukov
   • S. B. Popov

   OriginalPaper 26 August 2021 Pages: 615 - 630

   

9. Erratum to: Neutron Star Mergers and Gamma-Ray Bursts: Stripping Model

   • S. I. Blinnikov
   • D. K. Nadyozhin
   • A. V. Yudin

   Erratum 26 August 2021 Pages: 631 - 631

10. Erratum to: The Sweeping-out of Dust by Radiation Pressure of Stars and Chemical Composition Peculiarities of Disc Galaxies

    • E. E. Sivkova
    • D. S. Wiebe
    • B. M. Shustov

    Erratum 26 August 2021 Pages: 632 - 632

11. Erratum to: Mean Square Geodesic Deviation in the Zeldovich Problem on Light Propagation in a Universe with Inhomogeneities

    • D. D. Sokoloff
    • A. A. Chikina
    • E. A. Illarionov

    Erratum 26 August 2021 Pages: 633 - 633