Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Dmytry Doikov"'
Autor:
Alexander Yushchenko, Dmytry Doikov, Sergei Andrievsky, Yeuncheol Jeong, Volodymyr Yushchenko, Pakakaew Rittipruk, Valery Kovtyukh, Aizat Demessinova, Vira Gopka, Alexander Raikov, Kyung Sook Jeong
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 39, Iss 4, Pp 169-180 (2022)
We investigated the chemical composition of the planetary host halo star HD47536 via high-resolution spectral observations recorded using a 1.5 meter Cerro Tololo Inter-American Observatory (CTIO) telescope (Chile). Furthermore, we determined the a
Externí odkaz:
https://doaj.org/article/d253384294eb489aa67c068501f7cf3c
Autor:
Alexander Yushchenko, Seunghyun Kim, Yeuncheol Jeong, Aizat Demessinova, Volodymyr Yushchenko, Dmytry Doikov, Vira Gopka, Kyung Sook Jeong, Pakakaew Rittipruk
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 38, Iss 3, Pp 175-183 (2021)
The dependencies of the chemical element abundances in stellar atmospheres with respect to solar abundances on the second ionization potentials of the same elements were investigated using the published stellar abundance patterns for 1,149 G and K
Externí odkaz:
https://doaj.org/article/527160207951460fb595c4063776e4f5
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 36, Iss 3, Pp 115-119 (2019)
This paper is a part of the series on positron annihilation spectroscopy of two-phase diffuse gas-and-dust aggregates, such as interstellar medium and the young remnants of type II supernovae. The results obtained from prior studies were applied here
Externí odkaz:
https://doaj.org/article/317677637c7b46cea9dda532195228ee