Contents

Astronomy Reports


Vol. 68, No. 12, 2024


Spectroscopic Searches for Evolutionary Orbital Period Changes in WR + OB Binaries: the Case of WR 141

I. A. Shaposhnikov p. 1145  abstract

Spot and Flare Activity of Single G5 III–IV Giant HD 199178 from TESS Observations

I. S. Savanov, A. N. Tarasenkov, and E. S. Dmitrienko p. 1153  abstract

Influence of Departures from LTE on Determinations of the Sulfur Abundances in A–K Type Stars

S. A. Korotin and K. O. Kiselev p. 1159  abstract

Acetylene Trimerization on the Silicon Carbide Surface in the Envelopes of AGB Stars: An Astrochemical Estimation

M. S. Murga p. 1176  abstract

Search for Weak Components in Pulsar Radiation

T. V. Smirnova, M. O. Toropov, and S. A. Tyul’bashev p. 1185  abstract

Search for Interpulses in a Complete Sample of Pulsars at a Frequency of 111 MHz

M. O. Toropov, S. A. Tyul’bashev, and V. S. Beskin p. 1191  abstract

Search for Pulsars with Periods of More Than Two Seconds at Declinations from +21° to +42°

S. A. Tyul’bashev and G. E. Tyul’basheva p. 1199  abstract

To the Question of North–South Asymmetry of Solar Activity in the 25th Schwabe–Wolf Cycle

S. A. Yazev, E. S. Isaeva, V. M. Tomozov, K. I. Ivanov, and B. Hos-Erdene p. 1209  abstract

On the Stability of a Layered Inhomogeneous Elliptical Galaxy as a Dynamic System

S. A. Gasanov p. 1217  abstract

Light Curve Synthesis for Colliding-Wind Binary Systems

I. I. Antokhin and E. A. Antokhina p. 1239  abstract

3D Numerical Model for Studying Electron Precipitation in the Upper Atmospheres of Venus-Like Exoplanets

A. G. Zhilkin, V. I. Shematovich, G. N. Tsurikov, and D. V. Bisikalo p. 1252  abstract

Activity of Star TOI-1408 and Mass Loss by the Atmospheres of Its Exoplanets

I. S. Savanov p. 1266  abstract

Acceleration Potential and Density Profile of Secondary Plasma in the Magnetosphere of Orthogonal Pulsars

A. Yu. Istomin, F. A. Kniazev, and V. S. Beskin p. 1271  abstract

Effect of Different Factors on the Solar Flare Energy

V. L. Merzlyakov p. 1286  abstract

Displacement Norm in the Presence of an Inverse-Square Perturbing Acceleration in the Reference Frame Associated with the Velocity Vector

T. N. Sannikova p. 1291  abstract

Study of the Interplanetary Coronal Mass Ejection (ICME) Disturbances of Different Structure Types between 1995 and 2022 and Their Relative Geoeffectiveness: Superposed Epoch Analysis

W. Alotaibi and B. Badruddin p. 1303  abstract

Fourier Series Methodology for Exploring the Periodic Orbits in the CR3BP with Spherical Primaries

Om Prakash Meena, Himanshu Aggarwal, Harsh Mishra, Khush Shaw, and Rajiv Aggarwal p. 1317  abstract

Analyzing Doublet Type II Radio Bursts During Solar Cycles 23 and 24: Key Characteristics and Trends

Charita Pant, Bimal Pande, Raj Kumar, and Seema Pande p. 1335  abstract

Third Light in the SS 433 System according to UBVRcIc Photometry

A. V. Dodin, A. M. Cherepashchuk, K. A. Postnov, M. A. Burlak, and N. P. Ikonnikova p. 1349  abstract

Detection and Study of a Number of Transients on Telescopes of the MASTER Global Network and MASTER OT J044907.58+705812.7 as an Example

V. M. Lipunov, P. V. Balanutsa, E. P. Pavlenko, A. A. Sosnovskij, A. N. Tarasenkov, I. E. Panchenko, K. A. Antonyuk, O. I. Antonyuk, O. A. Gress, A. S. Kuznetsov, K. K. Zhirkov, N. V. Tyurina, A. R. Chasovnikov, G. A. Antipov, E. S. Gorbovskoy, A. N. Yudin, V. V. Topolev, D. V. Cheryasov, D. M. Vlasenko, Y. Kechin, V. A. Senik, A. F. Iyudin, N. M. Budnev, A. G. Tlatov, K. A. Vetrov, M. A. Gulyaev, V. V. Chazov, V. V. Vladimirov, and D. S. Zimnukhov p. 1364  abstract

The Difference in Gravitational Potentials at Two Ground Points Measuring Experiment Using the Duplex Satellite Method

A. V. Naumov, F. R. Smirnov, and V. F. Fateev p. 1376  abstract

On Massive Black Holes in the Centers of Globular Clusters. I

S. N. Nuritdinov, S. J. Turaev, and K. T. Mirtadjieva p. 1385  abstract

Properties of Contracting Massive Protostellar Cores

L. E. Pirogov, P. M. Zemlyanukha, and E. M. Dombek p. 1390  abstract

Searching for Biomarkers with Spektr-UF Observatory: Nitric Oxide Molecule in Atmospheres of Exoplanets near the Active Host Stars

G. N. Tsurikov, D. V. Bisikalo, V. I. Shematovich, and A. G. Zhilkin p. 1406  abstract

Numerical Study of Polytropes with n = 1 and Differential Rotation

T. L. Razinkova, A. V. Yudin, and S. I. Blinnikov p. 1423  abstract

Activity of TOI-3568 and Mass Loss of the Atmosphere of Its Exoplanet in the Sub-Jovian Desert

I. S. Savanov p. 1437  abstract

Possibility of Observing Photon Rings Using High-Frequency Space Radio Interferometry with Very Long Bases

A. G. Rudnitskiy, M. A. Shchurov, A. V. Khudchenko, and T. A. Syachina p. 1442  abstract

Application of a New Formula for Angular Velocity of Rotation to the Planetoid Haumea

B. P. Kondratyev p. 1449  abstract

Spectroscopic Binary Cepheid AU Peg in the Gaia DR3 Epoch: Effect of Ellipsoidality, Mass, and Evolutionary Status

A. S. Rastorguev, M. V. Zabolotskikh, and N. A. Gorynya p. 1457  abstract