底层恒星吸收对原初氦丰度确定的贡献
宇宙学与河外天体物理
2011-04-20 v1
摘要
我们使用简单恒星种群模型和来自斯隆数字巡天的观测数据，对底层恒星吸收对原初氦丰度总不确定度的贡献进行了探索性分析。结果表明，如果忽略恒星吸收，我们的分析给出了氦丰度确定误差的下限。
引用
@article{arxiv.1104.3845,
title = {The underlying stellar absorption contribution to the primordial helium abundance determination},
author = {F. F. Rosales-Ortega and R. Terlevich and E. Bertone and M. Chavez},
journal= {arXiv preprint arXiv:1104.3845},
year = {2011}
}
备注
4 pages, contribution in "Resolved Stellar Populations", Cancun, Mexico, 18-22 April 2005, ASP Conference Series, Vol. TBA, D. Valls-Gabaud & M. Chavez (eds)