Contents

Astronomy Letters

---

Vol. 46, No. 4, 2020

---

Morphology of the Light Curves for the X-ray Novae H 1743-322 and GX 339-4 during Their Outbursts in 2005–2019

A. S. Grebenev, Yu. A. Dvorkovich, V. S. Knyazeva, K. D. Ostashenko, S. A. Grebenev, I. A. Mereminskiy, A. V. Prosvetov p. 205  abstract

Influence of Radiative Pumping on the HD Rotational Level Populations in Diffuse Molecular Clouds of the Interstellar Medium

V. V. Klimenko, A. V. Ivanchik p. 224  abstract

Search for Evolutionary Changes in the Period the Cepheid ET Vul

L. N. Berdnikov, E. N. Pastukhova p. 235  abstract

Analysis of Close Stellar Encounters with the Solar System

V. V. Bobylev, A. T. Bajkova p. 245  abstract

Surface and Fundamental Modes of Oscillations in Thin Coronal Loops

Yu. D. Zhugzhda p. 256  abstract

Orbital Motion and Attitude Control of the Spectrum–Röntgen–Gamma Space Observatory

N. A. Eismont, I. D. Kovalenko, V. N. Nazarov, R. R. Nazirov, F. V. Korotkov, A. V. Pogodin, P. V. Mzhelskii, E. A. Mikhailov, A. V. Ditrikh, A. I. Tregubov p. 263  abstract

Generalized Elliptic Restricted Four-Body Problem with Variable Mass

Abdullah A. Ansari, Sada Nand Prasad p. 275  abstract

---