Barium Abundances in Metal Poor Giants

Details Barium Abundances in Metal Poor Giants Barium Abundances in Metal Poor Giants

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...18510103r&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #101.03; Bulletin of the American Astronomical Society, Vol. 26, p.1482

Astronomy and Astrophysics

Astronomy

2

Scientific paper

The abundance of barium has been determined in a large sample of metal poor giants drawn from the sample of Bond (1980, ApJS, 44, 519). Atmospheric parameters (effective temperature, surface gravity, microturbulence) have been determined in a systematic manner to provide consistent results over the range of temperature ( 4000 <= Teff <= 6500K ), luminosity ( -2.8 <= Mv <= 1.5 ) and metallicity of stars in the sample, and an empirical relation among temperature, luminosity, and microturbulence has been determined. Our results confirm a large scatter in the barium abundance as a function of metallicity.

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