Browsing University of Hertfordshire by Author "Ivanyuk, O. M."

Now showing items 1-2 of 2

    • A detailed study of Lithium in 107 CHEPS dwarf stars 

      Pavlenko, Ya V.; Jenkins, J. S.; Ivanyuk, O. M.; Jones, Hugh; Kaminsky, B. M.; Lyubchik, Yu. P.; Yakovina, L. A. (2018-03-20)
      Context. We report results from lithium abundance determinations using high resolution spectral analysis of the 107 metal-rich stars from the Calan-Hertfordshire Extrasolar Planet Search programme. Aims. We aim to set out ...

    • Masses, Oxygen and Carbon abundances in CHEPS dwarf stars 

      Pavlenko, Y. V.; Kaminsky, B. M.; Jenkins, J. S.; Ivanyuk, O. M.; Jones, H. R. A.; Lyubchik, Yu P. (2019-01-15)
      Context. We report the results from the determination of stellar masses, carbon, and oxygen abundances in the atmospheres of 107 stars from the Calan-Hertfordshire Extrasolar Planet Search (CHEPS) programme. Our stars are ...