Search Results - "Topcu, Gamze Böcek"
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Effective Temperature Estimations from Line Depth Ratios in the H- and K-band Spectra of IGRINS
Published in The Astrophysical journal (01-06-2023)“…Determining accurate effective temperatures of stars buried in the dust-obscured Galactic regions is extremely difficult from photometry. Fortunately,…”
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Chemical Compositions of Evolved Stars from Near-infrared IGRINS High-resolution Spectra. I. Abundances in Three Red Horizontal Branch Stars
Published in The Astrophysical journal (20-09-2018)“…We have derived elemental abundances of three field red horizontal branch stars using high-resolution (R 45,000), high signal-to-noise ratio (S/N 200) H- and…”
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The Active Chromospheres of Lithium-rich Red Giant Stars
Published in The Astrophysical journal (01-11-2022)“…We have gathered near-infrared zyJ -band high-resolution spectra of nearly 300 field red giant stars with known lithium abundances in order to survey their He…”
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High-resolution infrared spectroscopy of field Red Horizontal Branch stars
Published in Journal of molecular structure (15-12-2018)“…We obtained the surface abundances of more than 20 elements from H- and K-band observations of three Red Horizontal Branch (RHB) stars. High-resolution (R ≃…”
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The Active Chromospheres of Lithium-rich Red Giant Stars Based on observations obtained with the Hobby–Eberly Telescope, which is a joint project of the University of Texas at Austin, the Pennsylvania State University, Ludwig-Maximilians-Universität München, and Georg-August-Universität Göttingen
Published in The Astrophysical journal (01-11-2022)Get full text
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The Active Chromospheres of Lithium-Rich Red Giant Stars
Published 13-09-2022“…We have gathered near-infrared $zyJ$-band high resolution spectra of nearly 300 field red giant stars with known lithium abundances in order to survey their…”
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Chemical Compositions of Red Giant Stars from Habitable Zone Planet Finder Spectroscopy
Published 29-12-2020“…We have used the Habitable Zone Planet Finder (HPF) to gather high resolution, high signal-to-noise near-infrared spectra of 13 field red horizontal-branch…”
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Effective Temperature Estimations from Line Depth Ratios in the \H\ and \K-band Spectra of IGRINS
Published 27-03-2023“…Determining accurate effective temperatures of stars buried in the dust-obscured Galactic regions is extremely difficult from photometry. Fortunately,…”
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Journal Article -
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Chemical Compositions of Evolved Stars From Near-Infrared IGRINS High-Resolution Spectra. I. Abundances in Three Red Horizontal Branch Stars
Published 11-08-2018“…We have derived elemental abundances of three field red horizontal branch stars using high-resolution (R$\simeq$ 45,000), high signal-to-noise ratio (S/N…”
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10
A Spectroscopic Survey of Field Red Horizontal-Branch Stars
Published 12-04-2018“…A metallicity, chemical composition, and kinematic survey has been conducted for a sample of 340 candidate field red horizontal branch stars. High resolution,…”
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