Contents

Astrophysical Bulletin


Vol. 81, No. 2, 2026


Anisotropy of the Space Orientation of Radio Sources. III

V. R. Amirkhanyan p. 165  abstract

Massive Supernovae and Metallicity Boundary in Dwarf Galaxies

N. A. Tikhonov p. 172  abstract

High-Frequency Peaked Radio Sources (HFP) from AT20G Catalog and Their Radio Spectra

E. K. Majorova and O. P. Zhelenkova p. 183  abstract

Evolution of Low-Frequency Radio Emission of the Ionised Gas around S255IR NIRS3 after the Accretion Luminosity Burst

P. M. Zemlyanukha, I. I. Zinchenko, E. M. Dombek, and D. K. Ojha p. 216  abstract

Time Lag Between Accretion and Wind Events in the T Tauri Star RY Tau

E. V. Babina, P. P. Petrov, K. N. Grankin, and S. A. Artemenko p. 224  abstract

Kinematic Properties of the TW Hya Association

V. V. Bobylev p. 234  abstract

Results of Magnetic-Field Measurements with the 6-m Telescope. XI. Observations in 2017

I. I. Romanyuk, A. V. Moiseeva, I. A. Yakunin, and D. O. Kudryavtsev p. 246  abstract

On the Possible Reason for the Super-Slow Rotation of Some Ap Stars

V. D. Bychkov and L. V. Bychkova p. 274  abstract

Atmospheric Loss Estimates in Two Planets of the Young Sun-Like Star TIC 434398831 from the Moving Group Theia 116

I. S. Savanov p. 284  abstract

Start of Orbit Librations and the Bar Growth Timescale

E. N. Podzolkova and A. M. Melnik p. 291  abstract

Influence of the Resonance Ring Gravity on the Stellar Velocity Distribution near the OLR of the Galactic Bar

A. M. Melnik and E. N. Podzolkova p. 303  abstract

OPTIMus—Survey of Massive Star-Forming Regions at Optical, Infrared, and Millimeter Wavelengths

M. S. Kirsanova, A. V. Moiseev, A. M. Tatarnikov, A. S. Gusev, A. D. Yarovova, and D. S. Wiebe p. 317  abstract

Effect of Spitzer/IRAC Systematic Noises on Secondary Eclipses of the Exoplanet HD 209458 b

A. A. Fedotov and R. V. Baluev p. 340  abstract