Contents

Astrophysical Bulletin

Vol. 75, No. 4, 2020

Ionized Gas in the NGC 3077 Galaxy

D. V. Oparin, O. V. Egorov and A. V. Moiseev p. 361  abstract

Quenched Galaxies in Clusters of Galaxies and Their Outskirts

F. G. Kopylova and A. I. Kopylov p. 376  abstract

Distance to the Dorado Group

N. A. Tikhonov and O. A. Galazutdinova p. 384  abstract

Globular Clusters Lost by the Sagittarius Dwarf Spheroidal Galaxy

N. R. Arakelyan, S. V. Pilipenko and M. E. Sharina p. 394  abstract

On the Motion of Stars in the Pleiades According to Gaia DR2 Data

V. M. Danilov and A. F. Seleznev p. 407  abstract

Relative Motion in the Hierarchical Triple System ADS48 on the Basis of Gaia DR2 and 26-Inch Refractor of Pulkovo Observatory Data

O. V. Kiyaeva, R. Ya. Zhuchkov and I. S. Izmailov p. 425  abstract

Mass Constraint of Several Transiting Planets

D. R. Gadelshin, G. G. Valyavin, Byeong-Cheol Lee, Gwanghui Jeong, Han Inwoo, G. A. Galazutdinov, V. N. Aitov, I. A. Yakunin, T. E. Burlakova and A. F. Valeev p. 437  abstract

Probable Inner Magnetic Structures of Magnetic Stars. II

Yu. V. Glagolevskij and A. F. Nazarenko p. 440  abstract

Magnetic Fields of Chemically Peculiar and Related Stars. VI. Main Results of 2019 and Near-Future Prospects

I. I. Romanyuk p. 447  abstract

Specifics of the Distribution of Orbits of Long-Period Comets in the Inner Part of the Oort Cloud

O. V. Kalinicheva and Yu. A. Chernetenko p. 459  abstract

Improving the Efficiency of High-Resolution Spectroscopy on the 6-m Telescope Using Adaptive Optics Techniques

V. G. Klochkova, Yu. V. Sheldakova, V. V. Vlasyuk and A. V. Kudryashov p. 468  abstract

Observations of Radial Velocity Variability in Stars from the Spectra Obtained with the BTA Fiber-Fed Spectrograph in High Spectral Resolution Mode

T. E. Burlakova, G. G. Valyavin, V. N. Aitov, G. A. Galazutdinov, A. F. Valeev, I. A. Yakunin, D. R. Gadelshin, V. D. Bychkov, A. V. Tavrov, A. E. Ivanova and O. I. Korablev p. 482  abstract

Zeiss-1000 SAO RAS: Instruments and Methods of Observation

V. V. Komarov, A. S. Moskvitin, V. D. Bychkov, A. N. Burenkov, S. V. Drabek, V. S. Shergin, E. V. Emelyanov, V. N. Komarova, V. P. Romanenko and V. N. Aitov p. 486  abstract

Errata

Erratum to: Long-Period Oscillations of Solar Facular Knots

A. A. Solov’ev, V. V. Smirnova and P. V. Strekalova p. 501  abstract