Volume 43; Issue 4

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Astronomy Letters
Volume 43; Issue 4

Astronomy Letters

Volume 43; Issue 4

1

Study of the nuclear activity of the Seyfert galaxy NGC 7469 over the period of observations 2008–2014

Ugol’kova, L. S., Artamonov, B. P., Shimanovskaya, E. V., Bruevich, V. V., Burkhonov, O., Egamberdiev, Sh. A., Metlova, N. V.

Journal:

Astronomy Letters

Year:

2017

Language:

english

File:

PDF, 680 KB

english, 2017

2

Investigation of the dependence of rare-earth element abundances on the effective temperature and magnetic field in the atmospheres of chemically peculiar (Ap) stars

Ryabchikova, T. A., Romanovskaya, A. M.

Journal:

Astronomy Letters

Year:

2017

Language:

english

File:

PDF, 814 KB

english, 2017

3

Refinement of the parameters of three selected model Galactic potentials based on the velocities of objects at distances up to 200 kpc

V. V. Bobylev,A. T. Bajkova,A. O. Gromov

Journal:

Astronomy Letters

Year:

2017

Language:

english

File:

PDF, 1.20 MB

english, 2017

4

Active zone of the nucleus of the quasar 3C 273

L. I. Matveyenko,S. V. Seleznev

Journal:

Astronomy Letters

Year:

2017

Language:

english

File:

PDF, 2.33 MB

english, 2017

5

Preheating of the early universe by radiation from high-mass X-ray binaries

S. Yu. Sazonov,I. I. Khabibullin

Journal:

Astronomy Letters

Year:

2017

Language:

english

File:

PDF, 791 KB

english, 2017

6

Spectroscopic studies of yellow supergiants in the Cepheid instability strip

Journal:

Astronomy Letters

Year:

2017

Language:

english

File:

PDF, 946 KB

english, 2017