The Carbon Isotope Ratio and Metallicity of YY Psc

Details The Carbon Isotope Ratio and Metallicity of YY Psc The Carbon Isotope Ratio and Metallicity of YY Psc

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aspc..445..181w&link_type=abstract

Why Galaxies Care about AGB Stars II: Shining Examples and Common Inhabitants. Proceedings of a conference held at University Ca

Astronomy and Astrophysics

Astronomy

Scientific paper

The chemical composition and carbon isotope ratio of the bright, giant star YY Psc (M3 III) are investigated from high resolution, high signal-to-noise spectra obtained with the ESO VLT/CRIRES instrument. The high-quality, sharp-lined spectrum was obtained as part of the ongoing CRIRES-POP observing program. The spectrum was analyzed using synthetic spectrum techniques, and a preliminary analysis shows that the 12C/13C ratio is ˜ 10 and the iron abundance is consistent with the solar value.

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