Перегляд Advances in Astronomy and Space Physics за автором "Zhdanov, V.I."

Результати 1-3 з 3

Gravitational lens equation: critical solutions and magnification near folds and cusps

Alexandrov, A.N.; Koval, S.M.; Zhdanov, V.I. (Advances in Astronomy and Space Physics, 2012)

We study approximate solutions of the gravitational lens equation and corresponding lens magnification factor near the critical point. This consideration is based on the Taylor expansion of the lens potential in powers of ...
Observations of Sy2 galaxy NGC 3281 by XMM-Newton and INTEGRAL satellites

Vasylenko, A.A.; Fedorova, E.; Zhdanov, V.I. (Advances in Astronomy and Space Physics, 2013)

We present the results of the analysis of X-ray properties of the Seyfert 2 galaxy NGC 3281, based on the observational data obtained by XMM-Newton and INTEGRAL within the energy ranges 0.2-12 keV and 20-150 keV, respectively. ...
Search for the astrophysical sources of the Fly's Eye event with the highest to date cosmic ray energy E=3.2·10²⁰ eV

Gnatyk, R.B.; Kudrya, Yu.N.; Zhdanov, V.I. (Advances in Astronomy and Space Physics, 2016)

Among the registered extremely high energy cosmic rays (EHECR, E > 10²⁰ eV) an event with the highest to date energy of E = 3.2 · 10²⁰ eV was detected by the Fly's Eye experiment (FE event) in 1991. With the use of the ...

Результати 1-3 з 3

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