C. F. Trefzger
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View article: Stellar chemical-abundance gradient in the direction of the South Galactic Pole - preliminary results
Stellar chemical-abundance gradient in the direction of the South Galactic Pole - preliminary results Open
Using the Walraven VBLUW photometric system, we have studied the metal content of 89 F and G stars in the Galactic South Pole field SA141. Our sample is based on the Basel survey of RGU photometry in Selected Areas, and it contains all sta…
View article: Carbon and nitrogen abundances in extremely metal-deficient red giants
Carbon and nitrogen abundances in extremely metal-deficient red giants Open
The relative carbon and nitrogen abundances of a sample of metal-poor halo giants are analyzed with respect to their similarity with the abundances of similar stars in globular clusters. Spectra of 64 giants selected from the objective pri…