若干 Magellanic Cloud B[e] 超巨星的中性外逸盘
天体物理学
2007-05-23 v1
摘要
我们报告在若干 Magellanic Cloud (MC) B[e] 超巨星的高分辨率光学光谱中检测到 [OI] 发射线,这些光谱是于智利拉西的 ESO 1.52m 望远镜上 FEROS 获取的。此外,我们对 [OI] 线亮度进行建模,表明中性氧物质的最佳位置在外逸盘中。为再现观测到的线亮度,我们得出结论,盘必须在距恒星表面非常近的地方即已是中性的。
引用
@article{arxiv.astro-ph/0511822,
title = {The neutral outflowing disks of some Magellanic Cloud B[e] supergiants},
author = {Michaela Kraus and Marcelo Borges Fernandes and Diana Andrade Pilling and Francisco X. de Araujo},
journal= {arXiv preprint arXiv:astro-ph/0511822},
year = {2007}
}
备注
4 pages, 3 figures, to appear in the proceedings of "Stars with the B[e] phenomenon" (eds.) M. Kraus & A.S. Miroshnichenko (ASP conference series)