Contents

Astronomy Letters

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Vol. 48, No. 2, 2022

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Search for Distant and X-ray Luminous Quasars during the SRG/eROSITA Sky Survey (the DaLeQo Program). The First Results from Observations at the BTA Telescope

G. A. Khorunzhev, S. N. Dodonov, A. V. Meshcheryakov, A. V. Moiseev, A. A. Grokhovskaya, S. S. Kotov, E. A. Malygin, R. I. Uklein, E. S. Shablovinskaya, P. S. Medvedev, V. D. Borisov, R. A. Burenin, R. A. Krivonos, G. S. Uskov, I. A. Zaznobin, R. A. Sunyaev, S. Yu. Sazonov, and M. R. Gilfanov p. 69  abstract

New Active Galactic Nuclei Detected by the ART-XС and eROSITA Telescopes Onboard the SRG Observatory during an All-Sky X-ray Survey

G. S. Uskov, I. A. Zaznobin, S. Yu. Sazonov, A. N. Semena, M. R. Gilfanov, R. A. Burenin, M. V. Eselevich, R. A. Krivonos, A. R. Lyapin, P. S. Medvedev, G. A. Khorunzhev, and R. A. Sunyaev p. 87  abstract

SRGz: Building an Optical Cross-Match Model for the X-ray SRG/eROSITA Sources Using the Lockman Hole Data

M. I. Belvedersky, A. V. Meshcheryakov, P. S. Medvedev, and M. R. Gilfanov p. 109  abstract

Estimation of the Parameters of the Spiral Pattern in the Galaxy Based on a Sample of Classical Cepheids

V. V. Bobylev p. 126  abstract

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