Vol. 70, No. 4, 2026

Astronomy Reports

On a Study of the Boundary Layer of the Accretion Disk as a Source of Chemical Enrichment of the Universe

A. A. Filina and V. M. Chechetkin p. 429 abstract

Testing Bump in the Cosmological Power Spectrum Using Dwarf Galaxies

M. Zabelkin, S. Drozdov, O. Skorikov, and S. Pilipenko p. 439 abstract

High-Precision Photometric All-Sky Stellar Survey: Changes Associated with Relocation to the Russian Orbital Station

M. E. Prokhorov, A. I. Zakharov, V. G. Moshkalev, N. L. Krusanova, M. S. Tuchin, and O. Yu. Stekolshchikov p. 446 abstract

Rapid Apsidal Rotation of the Late F-Class Star V432 Dra

A. S. Volkova, I. M. Volkov, and S. A. Naroenkov p. 461 abstract

Dynamo Scenario for the Late Type Stars with Non-Cyclic Magnetic Activity

D. V. Korobeinikov and D. D. Sokoloff p. 477 abstract

Modeling of the Magnetic Stellar Wind Braking of the ssrAp 33 Lib (HD137949)

A. G. Nikiforov, V. D. Bychkov, and M. V. Barkov p. 483 abstract

Capabilities of Radio Interferometric Observations in the 750–1200 GHz Bands

A. G. Rudnitskiy, M. A. Shchurov, K. I. Rudakov, and A. V. Khudchenko p. 494 abstract

Variability of the Brightness of Star ASAS 063656-0521.0 (V969 MON) and Spots on Its Surface

I. S. Savanov, S. A. Naroenkov, M. A. Nalivkin, and A. N. Tarasenkov p. 503 abstract

Estimates of Atmospheric Mass Loss of the Planet of Star TOI–6448 in the Vela Population IV Moving Group

I. S. Savanov p. 510 abstract

On the Relation between Interplanetary Scintillations Measured at the Big Scanning Antenna of the Lebedev Physical Institute and the Density of the Sheath Structure of Coronal Mass Ejections

V. R. Lukmanov, V. A. Slemzin, I. V. Chashei, S. A. Tyul’bashev, and D. G. Rodkin p. 517 abstract

Spectral Dependence of Cloud Absorption in Visible and Near-Infrared Wavelengths

A. M. Tatarnikov, I. A. Komarova, A. V. Dodin, S. G. Zheltoukhov, A. I. Sapunova, A. A. Belyakova, S. V. Zhilkina, and A. K. Tyurpeko p. 528 abstract

Orbital Dynamics Near Non-Collinear Points in a Photogravitational Three-Body System with Reflection Effects

P. Saravanamoorthi, M. Javed Idrisi, M. Shahbaz Ullah, and Mamta Thakur p. 536 abstract

Contents

Astronomy Reports