中文

从合成uvby Stromgren光度测得的星体参数(Teff,[Fe/H])同时解

天体物理学 2009-10-31 v1

摘要

单体星体的基本参数的全面了解是星系和星团建模的基础。对于双星系统中各成分的最基本参数,已知的质量和半径精确确定,但温度强烈依赖于光度标定。本文我们采用经验标定的BaSeL模型理论星体光谱网格,同时从观测数据中推导均匀的有效温度和金属丰度。为此,我们选取了20个双星系统(40颗星),其uvby Stromgren光度具有估计误差(详见Lastennet et al., astro-ph/9811103)。

关键词

引用

@article{arxiv.astro-ph/9811146,
  title  = {Simultaneous solutions of stellar parameters (Teff, [Fe/H]) from synthetic uvby Stromgren photometry},
  author = {E. Lastennet and T. Lejeune and P. Westera and R. Buser},
  journal= {arXiv preprint arXiv:astro-ph/9811146},
  year   = {2009}
}

备注

2 pages, LaTeX, 1 figure, uses crckapb.sty. To appear in the Proceedings of "Galaxy Evolution: Connecting the Distant Universe with the Local Fossil Record", ed. M. Spite. Organized by Paris-Meudon Observatory from 21-25 September, 1998 in Meudon (France)