Contents

Astronomy Letters


Vol. 49, No. 2, 2023


New Active Galactic Nuclei Detected by the ART-XС and eROSITA Telescopes during the First Five SRG All-Sky X-ray Surveys

G. S. Uskov, S. Yu. Sazonov, I. A. Zaznobin, R. A. Burenin, M. R. Gilfanov, P. S. Medvedev, R. A. Sunyaev, R. A. Krivonos, E. V. Filippova, G. A. Khorunzhev, and M. V. Eselevich p. 25  abstract

Second Maximum of SN 2019stc: Collision with a Circumstellar Shell?

N. N. Chugai and V. P. Utrobin p. 49  abstract

On the Nature of the Bar-Shaped X-ray Feature in the Lee Jet of the Vela Pulsar Wind Nebula

S. S. Fateeva, K. P. Levenfish, G. A. Ponomaryov, A. E. Petrov, and A. N. Fursov p. 56  abstract

On the Origin of Knots in the Vela Nebula

G. A. Ponomaryov, A. N. Fursov, S. S. Fateeva, K. P. Levenfish, A. E. Petrov, and A. M. Krassilchtchikov p. 65  abstract