Ukraine

Совместные статьи (7)

1. Evaluating Promethium Abundance in the Atmospheres of Magnetically Peculiar Star HD 25 354

   Kinematics and Physics of Celestial Bodies · 2025 · Q3

   V. A. Yushchenko, V. F. Gopka, A. V. Yushchenko, Ya. V. Pavlenko, A. V. Shavrina, F. Musaev, A. Demessinova

   Main Astronomical Observatory Nasu Odesa I.I. Mechnikov National University V. A. Yushchenko V. F. Gopka A. V. Yushchenko Ya. V. Pavlenko A. V. Shavrina F. Musaev A. Demessinova

2. The Radioactive Elements in the Atmosphere of HD25354—Are They the Result of the Symmetric Decay of the Chemical Elements of the Island of Stability?

   Galaxies · 2024 · Q2

   Volodymyr Yushchenko, Vira Gopka, Alexander Yushchenko, Aizat Demessinova, Yeuncheol Jeong, Yakiv Pavlenko, Angelina Shavrina, Faig Musaev, Nazgul Alimgazinova

   Main Astronomical Observatory Nasu Odesa I.I. Mechnikov National University Volodymyr Yushchenko Vira Gopka Alexander Yushchenko Aizat Demessinova Yeuncheol Jeong Yakiv Pavlenko Angelina Shavrina Faig Musaev

3. Constant Acceleration in Fractal Structures with Fractal Dimension D = 2

   Journal of Astronomy and Space Sciences · 2023 · Q3

   Alexander Yushchenko, Yeuncheol Jeong, Volodymyr Yushchenko, Aizat Demessinova, Kyung Sook Jeong

   Main Astronomical Observatory Nasu Odesa I.I. Mechnikov National University Alexander Yushchenko Yeuncheol Jeong Volodymyr Yushchenko Aizat Demessinova Kyung Sook Jeong

4. The Chemical Composition of HD47536: A Planetary Host Halo Giant with Possible λ Bootis Features and Signs of Interstellar Matter Accretion

   Journal of Astronomy and Space Sciences · 2022 · Q3 · ❝ 3

   Alexander Yushchenko, Dmytry Doikov, Sergei Andrievsky, Yeuncheol Jeong, Volodymyr Yushchenko, Pakakaew Rittipruk, Valery Kovtyukh, Aizat Demessinova, Vira Gopka, Alexander Raikov, Kyung Sook Jeong

   Main Astronomical Observatory Nasu Odesa I.I. Mechnikov National University Odessa National Maritime University Alexander Yushchenko Dmytry Doikov Sergei Andrievsky Yeuncheol Jeong Volodymyr Yushchenko Pakakaew Rittipruk Valery Kovtyukh Aizat Demessinova Vira Gopka Alexander Raikov Kyung Sook Jeong

5. The Possible Signs of Hydrogen and Helium Accretion from Interstellar Medium on the Atmospheres of F-K Giants in the Local Region of the Galaxy

   Journal of Astronomy and Space Sciences · 2021 · Q3 · ❝ 2

   Alexander Yushchenko, Seunghyun Kim, Yeuncheol Jeong, Aizat Demessinova, Volodymyr Yushchenko, Dmytry Doikov, Vira Gopka, Kyung Sook Jeong, Pakakaew Rittipruk

   Main Astronomical Observatory Nasu Odesa I.I. Mechnikov National University Odessa National Maritime University Alexander Yushchenko Seunghyun Kim Yeuncheol Jeong Aizat Demessinova Volodymyr Yushchenko Dmytry Doikov Vira Gopka Kyung Sook Jeong Pakakaew Rittipruk

6. The chemical composition of V1719 cyg: δ Scuti type star without the accretion of interstellar matter

   Journal of Astronomy and Space Sciences · 2020 · Q3 · ❝ 1

   Yushchenko, A.V., Kim, C., Jeong, Y., Doikov, D.N., Yushchenko, V.A., Khrapatyi, S.V., Demessinova, A.

   Interregional Academy of Personnel Management Odesa I.I. Mechnikov National University Odessa National Maritime University Taras Shevchenko National University of Kyiv Yushchenko, A.V. Kim, C. Jeong, Y. Doikov, D.N. Yushchenko, V.A. Khrapatyi, S.V. Demessinova, A.

7. The barium star HD204075: Iron abundance and the absence of evidence for accretion

   Journal of Astronomy and Space Sciences · 2019 · Q2 · ❝ 1

   Jeong, Y., Yushchenko, A., Gopka, V., Yushchenko, V., Rittipruk, P., Jeong, K.S., Demessinova, A.

   Odesa I.I. Mechnikov National University Jeong, Y. Yushchenko, A. Gopka, V. Yushchenko, V. Rittipruk, P. Jeong, K.S. Demessinova, A.