Contents

Astronomy Letters

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Vol. 51, No. 9, 2025

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Investigation of the Type Ic-BL Supernova SN 2020adow

D. Yu. Tsvetkov, N. N. Pavlyuk, N. P. Ikonnikova, M. A. Burlak, A. A. Belinski, I. M. Volkov, A. V. Dodin, S. A. Potanin, N. I. Shatsky, and V. A. Echeistov p. 525  abstract

Coronal Activity of Stars in the Blanco 1 Open Cluster from SRG/eROSITA All-Sky Survey Data

I. M. Khamitov, I. F. Bikmaev, M. R. Gilfanov, R. A. Sunyaev, M. A. Gorbachev, S. S. Panarin, and P. S. Medvedev p. 536  abstract

Flaring Activity of Stars within 30 Parsecs from TESS Data for a Sample of Stars with X-ray Emission from the SRG/eROSITA Catalog

M. A. Gorbachev, I. F. Bikmaev, I. M. Khamitov, M. R. Gilfanov, R. A. Sunyaev, and P. S. Medvedev p. 551  abstract

The Permeable Particle Model to Describe the Collisional Evolution of Dust Clusters in Protoplanetary Gas–Dust Disks

A. V. Rusol p. 563  abstract

Sunspot Group Area Index and the Waldmeier Rule

A. A. Osipova, Yu. A. Nagovitsyn, and S. N. Fedoseeva p. 579  abstract

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