Contents

Astronomy Letters

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Vol. 50, No. 5, 2024

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New Active Galactic Nuclei Detected by the ART-XC and eROSITA Telescopes during the First Five SRG All-Sky X-ray Surveys. Part 2

G. S. Uskov, S. Yu. Sazonov, I. A. Zaznobin, M. R. Gilfanov, R. A. Burenin, E. V. Filippova, P. S. Medvedev, A. V. Moskaleva, R. A. Sunyaev, R. A. Krivonos, and M. V. Eselevich p. 279  abstract

Stripping of a Neutron Star in a Close Binary System in a Pair with a Black Hole

N. I. Kramarev, A. G. Kuranov, A. V. Yudin, and K. A. Postnov p. 302  abstract

The Hybrid Nova V1405 Cas with an Oxygen–Neon or Carbon–Oxygen White Dwarf?

T. N. Tarasova p. 317  abstract

The Ratio of the Areas of a Sunspot and Its Umbra: Two Populations of Sunspot Groups

Yu. A. Nagovitsyn p. 329  abstract

Spectroscopic and Photometric Study of the New Eclipsing Polar Gaia23cer

A. I. Kolbin, E. P. Pavlenko, V. Yu. Kochkina, A. S. Vinokurov, S. Yu. Shugarov, A. A. Sosnovskij, K. A. Antonyuk, O. I. Antonyuk, N. V. Pit’, M. V. Suslikov, E. K. Galimova, N. V. Borisov, A. N. Burenkov, and O. I. Spiridonova p. 335  abstract

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