Contents

Astronomy Letters

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Vol. 46, No. 5, 2020

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Extended Gaseous Disk in the S0 Galaxy NGC 4143

O. K. Sil’chenko, A. V. Moiseev, D. V. Oparin p. 289  abstract

Estimates of Extragalactic Background and Confusion Noise Parameters for the Millimetron Telescope

A. A. Ermash, S. V. Pilipenko, V. N. Lukash p. 298  abstract

Study of the Dependence of the Plateau Shape for Type II Supernovae on Metallicity

A. A. Goldshtein, S. I. Blinnikov p. 312  abstract

First Day of Type IIP Supernova SN 2013fs: H$\alpha$ from Preshock Accelerated Gas

N. N. Chugai p. 319  abstract

Evolutionary and Hydrodynamic Models of Short-Period Cepheids

Yu. A. Fadeyev p. 324  abstract

Evolutionary Status of the Ap Stars HD 110066 and HD 153882

A. M. Romanovskaya, T. A. Ryabchikova, D. V. Shulyak p. 331  abstract

Analysis of the Stability of a Planetary System on Cosmogonic Time Scales

D. V. Mikryukov p. 344  abstract

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