The abundance analysis of metal-poor late-type stars from a theoretical standpoint

Details The abundance analysis of metal-poor late-type stars from a theoretical standpoint The abundance analysis of metal-poor late-type stars from a theoretical standpoint

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pasp...95..101g&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 95, Feb. 1983, p. 101-110.

Astronomy and Astrophysics

Astronomy

24

Abundance, Late Stars, Metallicity, Stellar Atmospheres, Stellar Models, Convective Flow, Solar Atmosphere, Spectral Line Width, Stellar Spectra, Stellar Temperature, Thermodynamic Equilibrium, Velocity Distribution

Scientific paper

The theory of stellar atmospheres is reviewed with emphasis on the use of model atmospheres for determining chemical abundances of Population II stars. The effects that uncertainties in the models have on the resulting abundances are illustrated, using a set of "perturbed" models. A more conscious use of very weak spectral lines in abundance analyses is recommended and a stepwise program for establishing criteria for analyzing very distant stars is outlined.

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