HgMn 星中汞镍星的镓丰度
天体物理学
2007-05-23 v1
摘要
文献中普遍断言光学 Ga 线给出的丰度显高于紫外线线。我们通过考虑光学 Ga II 线中观测到的超声结构，确定了 HgMn 星中的 Ga 丰度。这使这些丰度值降至来自共振线的值的 0.2 dex 以内。
引用
@article{arxiv.astro-ph/9805188,
title = {Gallium abundances in mercury-manganese stars},
author = {M. M. Dworetsky and C. M. Jomaron and C. A. Smith},
journal= {arXiv preprint arXiv:astro-ph/9805188},
year = {2007}
}
备注
3 pages, 1 figure, to appear in: Proc. of the 26th workshop of the European Working Group on CP stars, eds. P. North, A. Schnell and J. Ziznovsky, Contrib. Astr. Obs. Skalnate Pleso Vol. 27, No 3