Contents

Astronomy Letters

---

Vol. 50, No. 6, 2024

---

SRGe J194401.8+284452—an X-ray Cataclysmic Variable in the Field of the Gamma-Ray Source 4FGL J1943.9+2841

A. I. Kolbin, A. V. Karpova, M. V. Suslikov, I. F. Bikmaev, M. R. Gilfanov, I. M. Khamitov, Yu. A. Shibanov, D. A. Zyuzin, G. M. Beskin, V. L. Plokhotnichenko, A. G. Gutaev, S. V. Karpov, N. V. Lyapsina, P. S. Medvedev, R. A. Sunyaev, A. Yu. Kirichenko, M. A. Gorbachev, E. N. Irtuganov, R. I. Gumerov, N. A. Sakhibullin, E. S. Shablovinskaya, and E. A. Malygin p. 351  abstract

Revision of the Calcium and Scandium Abundances in Am Stars Based on Non-LTE Calculations and Comparison with Diffusion Stellar Evolution Models

L. I. Mashonkina, and Yu. A. Fadeyev p. 373  abstract

Non-LTE Nitrogen Abundances in the Sun and Selected A–F-Type Stars

L. I. Mashonkina, and T. A. Ryabchikova p. 390  abstract

Study of the Solar Wind Plasma Thermodynamics in the Solar Corona Based on the Charge State of Heavy Ions

F. F. Goryaev, and V. A. Slemzin p. 408  abstract

Origin of ‘‘Bursts in Absorption’’ in the Jovian Decameter Radio Emission

V. E. Shaposhnikov p. 420  abstract

---