Contents

Astronomy Letters

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Vol. 47, No. 10, 2021

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Optical Spectroscopy of Quasars Discovered by SRG/eROSITA with a 2.5-m Telescope at the Caucasus Mountain Observatory of SAI MSU

A. V. Dodin, N. I. Shatsky, A. A. Belinski, K. E. Atapin, M. A. Burlak, S. G. Zheltoukhov, A. M. Tatarnikov, K. A. Postnov, A. M. Cherepashchuk, M. I. Belvedersky, V. D. Borisov, R. A. Burenin, M. R. Gilfanov, R. A. Krivonos, P. S. Medvedev, A. V. Meshcheryakov, S. Yu. Sazonov, R. A. Sunyaev, and G. A. Khorunzhev p. 661  abstract

Determination of H II Region Metallicity in the Context of Estimating the Primordial Helium Abundance

O. A. Kurichin, P. A. Kislitsyn, and A. V. Ivanchik p. 674  abstract

Magnetic Fields of Neutron Stars

V. S. Beskin, D. S. Zagorulia, and A. Yu. Istomin p. 686  abstract

Observations of Candidates for Eclipsing Cataclysmic Variables with the RTT-150 Telescope

M. M. Gabdeev, I. F. Bikmaev, V. V. Shimansky, R. Ya. Zhuchkov, and E. N. Irtuganov p. 695  abstract

On a Possible Spicule Formation Mechanism in Quiet Regions of the Sun

O. V. Dunin-Barkovskaya and B. V. Somov p. 705  abstract

Orbital Maneuvering in the Vicinity of Collinear Libration Points Using Light Pressure Forces

D. V. Shymanchuk, A. S. Shmyrov, and V. A. Shmyrov p. 710  abstract

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