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High-precision stellar abundances of the elements: methods and applications

Nissen, Poul Erik; Gustafsson, Bengt

Efficient spectrographs at large telescopes have made it possible to obtain high-resolution spectra of stars with high signal-to-noise ratio and advances in model atmosphere analyses have enabled estimates of high-precision differential abundances of the elements from these spectra, i.e. with errors in the range 0.01-0.03 dex for F, G, and K stars…