Astronomy Letters, Volume 51

Volume 51, 2025, Issue 1

SRG/ART-XC Discovery of Pulsations from RX J0535.0-6700: Another X-ray Pulsar in the LMC
I.A.Mereminskiy, A.S.Gorban, Yu.S.Klein, E.A.Ushakova, A.N.Semena, A.A.Lutovinov, A.Yu.Tkachenko, S.V.Molkov (pp.3-12; AstL: 1-8)
Non-LTE Abundance Analysis of Main-Sequence A-B Stars. III. Normal-Star Criteria
A.M.Romanovskaya, T.A.Ryabchikova, L.I.Mashonkina, T.M.Sitnova, N.Serebryakova (pp.13-27; AstL: 9-24)
Elusive Helium Stars in the Gap between Subdwarfs and Wolf-Rayet Stars II. Nonlinear Pulsations of Stripped Helium Stars
Yu.A.Fadeyev, A.G.Kuranov, L.R.Yungelson (pp.28-37; AstL: 25-33)
To the Origin of the Fast X-ray Precursors of Solar Flares
V.V.Zaitsev, A.V.Stepanov (pp.38-41; AstL: 34-37)
A Method for Estimating the Spatial Period of Energy Release in Solar Flares II
L.S.Ledentsov (pp.42-52; AstL: 38-48)

Exploring the Dynamics of Dark Energy in Gravity: A Comprehensive Analysis Using Cosmological Datasets
A.Samaddar, S.Surendra Singh (AstL: 49-64)
Helical Randomization of Magnetized Galaxy Clusters Plasmas Observed in Faraday Rotation Sky
A.Bershadskii (pp.AstL: 65-72)
Supernova in Lost Common Envelope and SN 2006gy
N.N.Chugai (pp.55-60; AstL: 73-78)
On Accretion in the Polar V379 Vir
M.V.Suslikov, A.I.Kolbin, N.V.Borisov (pp.61-71; AstL: 79-88)
Disk Wind as a Source of the Photometric Activity of Young Stars in the Optical and Infrared Spectral Ranges
M.A.Albrant, V.P.Grinin (pp.72-82; AstL: 89-100)
IRAS 22272+5435 (V354 Lac): Multicolor Photometry of a Variable Carbon-rich Post-AGB Star and a Dust Formation Episode
N.P.Ikonnikova, V.I.Shenavrin, G.V.Komissarova, M.A.Burlak (pp.83-93; AstL: 101-110)
Deuterated Water Abundance in the Young Hot Core RCW 120 S2
M.S.Kirsanova, A.A.Farafontova (AstL: 111-117)
Formation of an Optimal Scenario for Observations with an Orbital Space Telescope to Reduce Fuel Consumption
O.S.Chernenko, N.A.Eismont, V.A.Zubko (pp.94-102; AstL: 118-126)

SRG/ART-XC All-Sky X-ray Survey: Sensitivity Assessment Based on Aperture Photometry
N.Yu.Tyrin, R.A.Krivonos, V.A.Arefiev, R.A.Burenin, E.I.Zakharov, A.A.Lutovinov, S.Yu.Sazonov, A.D.Samorodova, E.V.Filippova, A.S.Abbakumov, V.V.Konoplev, F.V.Korotkov, V.N.Nazarov (pp.116-120; AstL: 138-142; astro-ph: 2507.10060)
Non-conservative Mass Transfer in the Neutron Star Stripping Model
N.I.Kramarev, A.V.Yudin (pp.121-127; AstL: 143-150)
On New X-ray Features of the Vela Pulsar Wind Nebula
K.P.Levenfish, G.A.Ponomaryov, A.N.Fursov (pp.128-152; AstL: 151-176)
The Impact of Metallicity on the Period-Luminosity Relation of Mira Variables
Yu.A.Fadeyev (pp.153-157; AstL: 177-181)
The Waldmeier Rule and its Modifications
Yu.A.Nagovitsyn, A.A.Osipova, S.N.Fedoseeva, A.I.Larionova (pp.158-163; AstL: 182-188)

Absorption in the 21 cm Hydrogen Line at z > 10 as a Sensitive Tool for the Construction of a Cosmological Model on Small Scales
Yu.N.Eroshenko, V.N.Lukash, E.V.Mikheeva, S.V.Pilipenko, M.V.Tkachev (pp.169-177; AstL: 189-197)
On the Fermi Acceleration Process at Curvilinear Shock Fronts
J.A.Kropotina, A.M.Bykov (pp.178-188; AstL: 198-209)
Polarization and a Model for the Dust Shell of the Carbon-rich post-AGB Object IRAS 22272+5435 (V354 Lac)
N.P.Ikonnikova, B.S.Safonov (pp.189-202; AstL: 210-224)
On the Quasi-periodic Decameter Radio Emission from Jupiter Associated with Ganymede
V.E.Shaposhnikov, V.V.Zaitsev (pp.203-212; AstL: 225-235)
Geodetic Nutation of Celestial Bodies in the Jovian Satellite System
V.V.Pashkevich, A.N.Vershkov (pp.213-223; AstL: 236-246)
Total Solar Irradiance Variations from Data on the ¹⁰Be Concentration in Antarctic Ice
M.G.Ogurtsov (pp.224-232; AstL: 247-255)

SN Ia CSM 2020aeuh: A Massive Binary C/O White Dwarf Merger?
N.N.Chugai (pp.235-239; AstL: 257-261)
Simulation of the Recording of the Brightest Gamma-ray Burst GRB 221009A by a Segmented Scintillation Detector
A.A.Mkrtchyan, A.S.Pozanenko, P.Yu.Minaev, D.D.Frederiks (pp.240-254; AstL: 262-277)
The Spiral Pattern Speed in the Milky Way Galaxy
V.V.Bobylev, A.T.Bajkova, A.A.Smirnov (pp.255-263; AstL: 278-286)
MVN Space Experiment: The First Results of Its In-orbit Operation
M.V.Buntov, N.P.Semena, V.V.Levin, S.V.Molkov, F.A.Voronin, D.M.Gamkov, A.G.Glushenko, E.B.Gurova, O.V.Demin, V.P.Konoshenko, A.V.Krivchenko, V.M.Kuznetsov, M.V.Kuznetsova, I.Yu.Lapshov, V.A.Lipilin, A.A.Lutovinov, A.V.Markov, A.M.Pristash, A.A.Rotin, D.V.Serbinov, D.V.Sibirtsev, D.M.Surin, V.V.Tambov, A.G.Toporkov, A.E.Shtykovskii, G.A.Kharchenko (pp.264-286; AstL: 287-309)
Simulation of a Protoplanetary Disk Accretion Activity Due to a Collision with a Gas Stream
V.V.Grigoryev, T.V.Demidova (pp.287-297; AstL: 310-321)
Cyclic Variations in the Mean Recurrence Times of Solar Flares in Active Regions
Yu.A.Nagovitsyn, A.I.Larionova, A.A.Osipova (pp.298-302; AstL: 322-326)

GRB 241105A - The Most Distant Short Gamma-Ray Burst?
P.Yu.Minaev, D.S.Svinkin, A.S.Pozanenko, D.D.Frederiks (pp.305-323; AstL: 327-348)
Analytical Approaches for a Rapid Prediction of the Gravitational Waveforms from Relativistic Binary Systems
A.V.Mishakina, S.I.Blinnikov (pp.324-334; AstL: 349-360)
Shells and Bubbles around Compact Clusters of Massive Stars: 3D MHD Simulations
D.V.Badmaev, A.M.Bykov, M.E.Kalyashova (pp.335-347; AstL: 361-374)
Models of Long-Period Variables of the Globular Cluster 47 Tuc
Yu.A.Fadeyev (pp.348-353; AstL: 375-381)
To the Formation and Heating Mechanisms of X-ray Bright Points on the Sun
A.V.Stepanov, V.V.Zaitsev, E.P.Ovchinnikova (pp.354-358; AstL: 382-386)
Dependence of the Nanoflare Occurrence Rate on the Solar Cycle Phase
Yu.A.Moiseev, S.A.Bogachev (pp.359-365; AstL: 387-396)

Double White Dwarf ZTF J0538 1953 As the Brightest Verification Binary for Space Laser Interferometers
S.V.Antipin, A.A.Belinski, L.N.Berdinkov, A.M.Zubareva, N.A.Maslennikova, K.A.Postnov, I.A.Strakhov (pp.409-415; AstL: 436-442; astro-ph: 2511.01651)
HD 188101: A Spotted B Star with Abundance Anomalies
R.M.Bayazitov, L.I.Mashonkina, Yu.V.Pakhomov, I.A.Yakunin (pp.416-430; AstL: 443-460)