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Near-UV and optical spectroscopic investigation of late-type stars from MIRA/Oliver Observing Station
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Near-UV and optical spectroscopic investigation of late-type stars from MIRA/Oliver Observing Station
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Late-type stars are the most abundant in the galactic stellar population. These stars, with a similar internal structure to the Sun, are expected to have solar-like atmospheres. Investigating the stellar parameters and chemical abundances on late-type stars is essential to provide valuable constraints about stellar age, chemical evolution, and atmosphere of exoplanets. In this work, we present the study of the Near-UV and optical spectroscopic observation of three late-type stars: HR 8038, AC Her, and HD 76446, as obtained from the 36-inch MIRA/Oliver Observing Station. We derived surface temperature, gravity, metallicity, and the chemical abundances of light element Carbon in the stellar atmosphere. The elemental abundance of the Carbon for HR 8038, AC Her, and HD 76446 are derived to be 95%, 97%, and 108%, respectively, of the solar value.
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