Positron Annihilation Spectroscopy of Active Galactic Nuclei

by Alexander V. Yushchenko, Yeuncheol Jeong
Published 2019-03-01

The Interaction Between Accretion from the Interstellar Medium and Accretion from the Evolved Binary Component in Barium Stars

by Yeuncheol Jeong, Alexander V. Yushchenko, Dmytry N. Doikov
Published 2018-03-01

Chemical Composition of RR Lyn – an Eclipsing Binary System with Am and λ Boo Type Components

by Yeuncheol Jeong, Alexander V. Yushchenko, Dmytry N. Doikov, Vira F. Gopka, Volodymyr O. Yushchenko
Published 2017-06-01

Magellanic Clouds Cepheids: Thorium Abundances

by Yeuncheol Jeong, Alexander V. Yushchenko, Vira F. Gopka, Volodymyr O. Yushchenko, Valery V. Kovtyukh, Svetlana V. Vasil’eva
Published 2018-03-01

Chemical Composition of RM_1-390 - Large Magellanic Cloud Red Supergiant

by Alexander V. Yushchenko, Yeuncheol Jeong, Vira F. Gopka, Svetlana V. Vasil’eva, Sergey M. Andrievsky, Volodymyr O. Yushchenko
Published 2017-09-01