Chemical abundances in the atmospheres of three giant CN2 stars.

Details Chemical abundances in the atmospheres of three giant CN2 stars. Chemical abundances in the atmospheres of three giant CN2 stars.

Jan 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996kpcb...12...12m&link_type=abstract

Kinematics Phys. Celest. Bodies, Vol. 12, No. 5, p. 12 - 16

Astronomy and Astrophysics

Astrophysics

Giants: Chemical Composition

Scientific paper

Physical parameters and chemical abundances are derived for the atmospheres of three CN2 stars using high-dispersion échelle CCD spectra obtained at the coudé focus of the 1-m telescope of the Special Astrophysical Observatory, Russian Academy of Sciences. The CN2-strong stars are found to be typical giants of the Galactic thin disk with an overabundance of sodium and nearly solar abundances of neutron-capture elements. The star HD 188056 (classed as a super-metal-rich star) has the metallicity [Fe/H] = 0.14, carbon, aluminum, and manganese are overabundant in its atmosphere.

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