Vol. 46, No. 7, 2020

Astronomy Letters

Optical Spectroscopy of SRG/eROSITA Objects with 2.5-m Telescope at the Caucasus Mountain Observatory of the SAI MSU

A. V. Dodin, S. A. Potanin, N. I. Shatsky, A. A. Belinski, K. E. Atapin, M. A. Burlak, O. V. Egorov, A. M. Tatarnikov, K. A. Postnov, M. I. Belvedersky p. 429 abstract

Study of the Galactic Rotation Based on Masers and Radio Stars with VLBI Measurements of Their Parallaxes

V. V. Bobylev, O. I. Krisanova, A. T. Bajkova p. 439 abstract

Collisional Pumping of OH Masers near Supernova Remnants

A. V. Nesterenok p. 449 abstract

Internal Structure of the Jets from Young Stars Simulated at Plasma Focus Facilities

V. S. Beskin, I. Yu. Kalashnikov p. 462 abstract

Spectroscopy of B and Be Stars in the Young Open Star Cluster NGC 581 (M 103)

A. E. Tarasov p. 473 abstract

Results of the First Year of the 3BS Polar Search Program

M. M. Gabdeev p. 482 abstract

Graph Dynamics of Solar Active Regions: Morse–Smale Complexes and Multiscale Graphs of Magnetograms

V. V. Alekseev, N. G. Makarenko, I. S. Knyazeva p. 488 abstract

Contents

Astronomy Letters