最热DA型白矮星的FUSE观测
天体物理学
2007-05-23 v1
摘要
我们报告了对最热DA型白矮星PG1342+444和REJ0558-371的早期FUSE观测。检测到光谱吸收线,允许我们估算C、O、Si、P、S和Fe的丰度,这些是迄今为止在此类高温DA星中首次报告的丰度测量。对于PG1342+444,从Lyman线系列确定的Teff和log g的值与标准Balmer线分析的结果不一致,这一现象需要进一步调查。
引用
@article{arxiv.astro-ph/0010447,
title = {FUSE Observations of the hottest DA white dwarfs},
author = {M. A. Barstow and M. R. Burleigh and N. P. Bannister and J. B. Holberg and I. Hubeny},
journal= {arXiv preprint arXiv:astro-ph/0010447},
year = {2007}
}
备注
6 Pages, to be published in the Proceedings of the 12th European White Dwarf Workshop, Eds. H.L. Shipman and J.L. Provencal, ASP Conference series