Contents

Astronomy Letters

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Vol. 48, No. 3, 2022

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Young Star-Forming Complexes in the Ring of the S0 Galaxy NGC 4324

I. S. Proshina, A. V. Moiseev, and O. K. Sil’chenko p. 139  abstract

Forced Photometry for Pan-STARRS1 Objects Based on WISE Data

R. A. Burenin p. 153  abstract

Type Ibn Supernova SN 2010al: Powerful Mass Loss Half Year Prior to the Explosion

N. N. Chugai p. 163  abstract

Estimation of Galactic Spiral Density Wave Parameters Based on the Velocities of OB2 Stars from the Gaia EDR3 Catalogue

V. V. Bobylev and A. T. Bajkova p. 169  abstract

Atomic Data on Inelastic Processes in Boron–Hydrogen Collisions

A. K. Belyaev and Ya. V. Voronov p. 178  abstract

Toroidal Magnetic Chamber ‘‘Tokamak’’ in the Solar Atmosphere: Confinement and Flare Magnetic Energy Release

A. A. Solov’ev p. 185  abstract

Application of the Hori–Deprit Method to the Analysis of the Cosmogonic Evolution of Weakly Perturbed Planetary Systems

D. V. Mikryukov and I. A. Balyaev p. 194  abstract

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