Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 55, p. 39-43 (2017)

Determination of the lifetime of artificial satellites of the Earth depending on their elements of orbit

M. Koval’chuk, Ph. D.,
Ye. Vovchyk, Ph. D.,
M. Stodilka, Dr.Sc.,
A. Bilinsky, eng.,
O. Baran, Ph.D.,
M. Hirnyak, eng.,
K. Martynyuk-Lototskyy, eng.,
Astronomical Observatory of Ivan Franko National University of L’viv, L’viv
(more…)

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 55, p. 34-39 (2017)

Magnetic field measurements in sunspots using spectral lines with different Lande factors

V. Lozitsky, Dr. Sci.,
Astronomical Observatory of Taras Shevchenko National University of Kyivб, Kyiv
S. Osipov, Ph. D.,
Main Astronomical Observatory of National Academy of Science of Ukraine, Kyiv
(more…)

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 55, p. 29-34 (2017)

Peculiar AGNs from the INTEGRAL and RXTE data

E. Fedorova, Ph. D.,
Astronomical Observatory of National Taras Shevchenko University of Kyiv, Kyiv
A. Vasylenko, Ph. D.,
Main Astronomical Observatory of the NAS of Ukraine, Kyiv
V. Zhdanov, Dr. Sci., Prof.,
Astronomical Observatory of National Taras Shevchenko University of Kyiv, Kyiv

(more…)