Search Results - "Chorniy, Y."
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The Gaia-ESO Survey: revisiting the Li-rich giant problem
Published in Monthly notices of the Royal Astronomical Society (21-09-2016)“…The discovery of lithium-rich giants contradicts expectations from canonical stellar evolution. Here we report on the serendipitous discovery of 20 Li-rich…”
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Chemical Composition of Bright Stars in the Northern Hemisphere: Star–Planet Connection
Published in The Astrophysical journal. Supplement series (01-04-2022)“…Abstract In fulfilling the aims of the planetary and asteroseismic research missions, such as that of the NASA Transiting Exoplanet Survey Satellite (TESS)…”
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Red clump stars of the Milky Way - laboratories of extra-mixing
Published in Monthly notices of the Royal Astronomical Society (21-03-2013)“…In this work we present the main atmospheric parameters, carbon, nitrogen and oxygen abundances, and 12C/13C ratios determined in a sample of 28 Galactic clump…”
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High-resolution spectroscopic study of red clump stars in the Galaxy: iron-group elements
Published in Monthly notices of the Royal Astronomical Society (21-10-2010)“…The main atmospheric parameters and abundances of the iron-group elements (vanadium, chromium, iron, cobalt and nickel) are determined for 62 red giant ‘clump’…”
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Chemical composition of AY Ceti: A flaring, spotted star with a white dwarf companion
Published in Astronomische Nachrichten (01-12-2011)“…The detailed chemical composition of the atmosphere AY Cet (HD 7672) is determined from a high‐resolution spectrum in the optical region. The main atmospheric…”
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Chemical Composition of the RS CVN-Type Star 29 Draconis
Published in Open astronomy (01-01-2010)“…Photospheric parameters and chemical composition are determined for the single-lined chromospherically active RS CVn-type star 29 Draconis (HD 160538). From…”
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Chemical Composition of the RS CVn-Type Star Lambda Andromedae
Published in Open astronomy (01-01-2010)“…Photospheric parameters and chemical composition are determined for the single-lined chromospherically active RS CVn-type star λ And (HD 222107). From the high…”
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Chemical Composition of the RS CNn-Type Star 33 Piscium
Published in Open astronomy (01-03-2011)“…Abundances of 22 chemical elements, including the key elements and isotopes such as 12C, 13C, N and O, are investigated in the spectrum of 33 Psc, a…”
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High-resolution spectroscopic study of red clump stars in the Galaxy: iron-group elements
Published in Monthly notices of the Royal Astronomical Society (21-10-2010)Get full text
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Chemical Composition Of Bright Stars In The Northern Hemisphere: Star-Planet Connection
Published 21-02-2022“…In fulfilling the aims of the planetary and asteroseismic research missions, such as that of the NASA Transiting Exoplanet Survey Satellite (TESS) space…”
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Gaia-ESO Survey: Detailed elemental abundances in red giants of the peculiar globular cluster NGC 1851
Published 20-11-2021“…A&A 658, A80 (2022) Context. NGC 1851 is one of several globular clusters for which multiple stellar populations of the subgiant branch have been clearly…”
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Red clump stars of the Milky Way - laboratories of extra-mixing
Published 16-04-2013“…In this work we present the main atmospheric parameters, carbon, nitrogen and oxygen abundances, and 12C/13C ratios determined in a sample of 28 Galactic clump…”
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The Gaia-ESO survey: Calibrating a relationship between Age and the [C/N] abundance ratio with open clusters
Published 18-07-2019“…A&A 629, A62 (2019) In the era of large high-resolution spectroscopic surveys, high-quality spectra can contribute to our understanding of the Galactic…”
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The Gaia-ESO survey: impact of extra-mixing on C- and N-abundances of giant stars
Published 14-12-2018“…A&A 621, A24 (2019) The GES survey using FLAMES at the VLT has obtained high-resolution UVES spectra for a large number of giant stars, allowing a…”
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Chemical composition of AY Ceti: A flaring, spotted star with a white dwarf companion
Published 23-01-2012“…Astronomische Nachrichten, 2011, Vol.332, Issue 9/10, p.925 The detailed chemical composition of the atmosphere AY Cet (HD 7672) is determined from a…”
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The Gaia-ESO Survey: the N/O abundance ratio in the Milky Way
Published 17-07-2018“…A&A 618, A102 (2018) The abundance ratio N/O is a useful tool to study the interplay of galactic processes, e.g. star formation efficiency, time-scale of…”
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Chemical Composition of the RS CVn-type Star 33 Piscium
Published 29-06-2011“…Baltic Astronomy, 2011, Vol. 20, p. 53-63 Abundances of 22 chemical elements, including the key elements and isotopes such as 12C/13C, N and O, are…”
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Chemical Composition of the RS CVn-type Star 29 Draconis
Published 09-05-2011“…Baltic Astronomy, 2010, Vol. 19, p. 157-167 Photospheric parameters and chemical composition are determined for the single-lined chromospherically active RS…”
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The Gaia -ESO Survey: Lithium enrichment histories of the Galactic thick and thin disc
Published 06-03-2018“…A&A 610, A38 (2018) Lithium abundance in most of the warm metal-poor main sequence stars shows a constant plateau (A(Li)~2.2 dex) and then the upper envelope…”
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