Abundances in the atmosphere of the metal-rich planet-host star HD 77338

• Дата: 2014
• Автори: Kushniruk, I.O., Pavlenko, Ya.V., Jenkins, J.S., Jones, H.R.A.
• Формат: Стаття
• Мова: English
• Опубліковано: Головна астрономічна обсерваторія НАН України 2014
• Назва видання: Advances in Astronomy and Space Physics
• Онлайн доступ: http://dspace.nbuv.gov.ua/handle/123456789/119803
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: Abundances in the atmosphere of the metal-rich planet-host star HD 77338 / I.O. Kushniruk, Ya.V. Pavlenko, J.S. Jenkins, H.R.A. Jones // Advances in Astronomy and Space Physics. — 2014. — Т. 4., вип. 1-2. — С. 20-24. — Бібліогр.: 20 назв. — англ.

Abundances of Fe, Si, Ni, Ti, Na, Mg, Cu, Zn, Mn, Cr and Ca in the atmosphere of the K-dwarf HD 77338 are determined and discussed. HD 77338 hosts a hot Uranus-like planet and is currently the most metal-rich single star to host any planet. Determination of abundances was carried out in the framework of a self-consistent approach developed by Pavlenko et al. (2012). Abundances were computed iteratively by the ABEL8 code, and the process converged after 4 iterations. We find that most elements follow the iron abundance, however some of the iron peak elements are found to be over-abundant in this star.