Vol. 48, No. 11, 2022

Astronomy Letters

The First Detection of an Orphan Burst at the Rise Phase

V. M. Lipunov, V. G. Kornilov, V. V. Topolev, N. V. Tyurina, E. S. Gorbovskoy, S. G. Simakov, K. K. Zhirkov, D. S. Vlasenko, C. Francile, R. Podesta, F. Podesta, D. S. Svinkin, N. M. Budnev, P. V. Balanutsa, D. V. Cheryasov, A. R. Chasovnikov, R. Rebolo, M. Serra-Ricart, O. A. Gress, O. A. Ershova, V. V. Yurkov, A. S. Gabovich, A. G. Tlatov, E. M. Minkina, V. V. Vladimirov, A. S. Kuznetsov, G. A. Antipov, S. I. Svertilov, Yu. Tselik, and Ya. Kechin p. 623 abstract

Search for Nonthermal X-ray Emission in the Ophiuchus Galaxy Cluster

R. A. Krivonos p. 636 abstract

Evolution of the Spiral Structure of Galaxies from HST COSMOS Field Data

V. P. Reshetnikov, A. A. Marchuk, I. V. Chugunov, P. A. Usachev, and A. V. Mosenkov p. 644 abstract

Optical Cross-Match of SRG/eROSITA X-ray Sources Using the Deep Lockman Hole Survey as an Example

S. D. Bykov, M. I. Belvedersky, and M. R. Gilfanov p. 653 abstract

Improving Photometric Redshifts by Merging Probability Density Functions from Template-Based and Machine Learning Algorithms*

Ishaq Y. K. Alshuaili, John Y. H. Soo, Mohd. Zubir Mat Jafri, and Yasmin Rafid p. 665 abstract

Activity of TRAPPIST-1 Analogs

E. S. Dmitrienko and I. S. Savanov p. 676 abstract

Differential Rotation of Large Long-Lived Sunspot Groups and Their Morphological Structure

A. A. Osipova and Yu. A. Nagovitsyn p. 682 abstract

Contents

Astronomy Letters