emission lines 探测 AGN 盘面核尘埃
天体物理学
2007-05-23 v1
摘要
能探测 AGN 尘埃含量的发射线包括红外 [FeII] 和光学 [CaII] 线。[FeII] 线的激发机制仍有争议，导致对 Seyfert 窄线区铁气相含量的讼论。本文强调 [CaII] 线作为 [FeII] 线粒子破坏声称一致性检验的实用性。在 NGC 1068 中 [CaII] 辐射的搜索位于 [FeII] 辐射最强处，结果仅得出强上限而无检测。这表明粒子在显示强烈冲击加工证据的区域基本完整保存。
引用
@article{arxiv.astro-ph/9809247,
title = {Emission-Line Probes of Circumnuclear Dust in AGNs},
author = {Joseph C. Shields and Richard W. Pogge and Michael M. De Robertis},
journal= {arXiv preprint arXiv:astro-ph/9809247},
year = {2007}
}
备注
6 pages (LaTeX, paspconf.sty), 1 postscript figure, to appear in proceedings of "Structure and Kinematics of Quasar Broad Line Regions" (1998 March 23-26, Lincoln, Nebraska), eds. C.M. Gaskell et al