Contents

Astrophysical Bulletin

Vol. 75, No. 3, 2020

Theseus–BTA Cosmological Crucial Tests Using Multimessenger Gamma-Ray Bursts Observations

S. I. Shirokov, I. V. Sokolov, V. V. Vlasyuk, L. Amati, V. V. Sokolov and Yu. V. Baryshev p. 207  abstract

Large Scale Distribution of Galaxies in the Field HS 47.5–22. II. Observational Data Analysis

A. A. Grokhovskaya, S. N. Dodonov and T. A. Movsesyan p. 219  abstract

Study of Star-Forming Regions in the Peculiar Galaxies NGC 660, NGC 1512, NGC 4395, and NGC 4618

K. I. Smirnova, D. S. Wiebe, A. V. Moiseev and G. I. G. Jozsa p. 234  abstract

Analysis of Integrated-Light Spectra of Galactic Globular Clusters

M. E. Sharina, V. V. Shimansky and N. N. Shimanskaya p. 247  abstract

Estimation of the Gould Belt Scale Height from T Tauri Type Stars in the Gaia DR2 Catalog

V. V. Bobylev and A. T. Bajkova p. 267  abstract

Super-Fast Line-Profile Variability in the Spectra of OBA Stars. II. A0 Star α2 CVn

A. F. Kholtygin, A. A. Batrakov, S. N. Fabrika, A. F. Valeev, A. E. Kostenkov and O. A. Tsiopa p. 278  abstract

Superfast Line Profile Variations in the Spectra of OBA Stars. III. A0 Star α2 Cvn, New Results

A. F. Kholtygin, A. V. Moiseeva, I. A. Yakunin and S. Hubrig p. 284  abstract

Results of Magnetic-Field Measurements with the 6-m Telescope. VI. Observations in 2012

I. I. Romanyuk, A. V. Moiseeva, E. A. Semenko, D. O. Kudryavtsev and I. A. Yakunin p. 294  abstract

Peculiarities of Abundances of Selected Elements in Metal-Rich Field RR Lyrae Stars

M. L. Gozha, V. A. Marsakov and V. V. Koval’ p. 311  abstract

On the Possibility of Using Mid-Band Filters to Search for Polar Candidates

M. M. Gabdeev, T. A. Fatkhullin and N. V. Borisov p. 320  abstract

Progenitor and Remnant of the Luminous Red Nova V838 Monocerotis

V. P. Goranskij, E. A. Barsukova, A. N. Burenkov, A. F. Valeev, A. V. Zharova, P. Kroll, N. V. Metlova and S. Yu. Shugarov p. 325  abstract

Determination of the Coordinates of Radio Sources on the Sun from RATAN-600 Observations in Multiazimuth Mode

L. V. Opeikina, V. E. Abramov-Maximov, V. N. Borovik and V. N. Chernenkov p. 350  abstract