Contents

Astronomy Letters

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Vol. 49, No. 7, 2023

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SRGz: Machine Learning Methods and Properties of the Catalog of SRG/eROSITA Point X-ray Source Optical Counterparts in the DESI Legacy Imaging Surveys Footprint

A. V. Meshcheryakov, V. D. Borisov, G. A. Khorunzhev, P. A. Medvedev, M. R. Gilfanov, M. I. Belvedersky, S. Yu. Sazonov, R. A. Burenin, R. A. Krivonos, I. F. Bikmaev, I. M. Khamitov, S. V. Gerasimov, I. V. Mashechkin, and R. A. Sunyaev p. 359  abstract

Peculiarities of Open Star Clusters with High Vertical Velocities from the Region of the Sco–Cen OB Association

V. V. Bobylev and A. T. Bajkova p. 410  abstract

Extreme Values of Sunspot Activity on a Long Time Scale

Yu. A. Nagovitsyn and A. A. Osipova p. 421  abstract

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