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astro-ph2002★ 1 cited
CNO at the surface of low and intermediate MS stars
Poul E. Nissen
Recent studies of spectral lines of the CNO elements in the Sun and unevolved disk and halo stars show that most published abundance data may be affected by systematic errors due t…
astro-ph2002
Sulphur and iron abundances in halo stars
P. E. Nissen, Y. Q. Chen, M. Asplund +1
From equivalent widths of the SI lines at 8694 A, Israelian & Rebolo (2001) and Takada-Hidai et al. (2002) have derived a surprisingly high sulphur-to-iron ratio ([S/Fe] = 0.5 to 0…