Elemental abundances in the atmosphere of the red giant Gamma Sagittae

Details Elemental abundances in the atmosphere of the red giant Gamma Sagittae Elemental abundances in the atmosphere of the red giant Gamma Sagittae

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995azh....72..864b&link_type=abstract

Astronomicheskij Zhurnal, vol. 72, p. 864

Astronomy and Astrophysics

Astronomy

2

Red Giant Stars, Stellar Atmospheres, Atmospheric Composition, Stellar Spectra, Chemical Composition, Chemical Elements, Ccd Cameras, Star Clusters

Scientific paper

CCD spectra are used to analyze the abundances of chemical elements in the atmosphere of the MOIII red giant Gamma Sge by the method of model atmospheres. Its atmospheric parameters are determined: Teff = 3970 K, log g = 1.3, and vt = 1.65 km/s. The atmospheric chemical composition of Gamma Sge was found to be generally close to solar. A slight Na deficiency was detected. A comparison of the atmospheric chemical compositions of Gamma Sge, a member of the moving Hyades group, and Hyades cluster giants showed them to be identical, suggesting their common origin.

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