测量 NGC 5548 中 H-beta 宽线区的流动
天体物理学
2007-07-19 v1
摘要
利用存档的国际 AGN 监测(International AGN Watch)观测数据,我们发现 H-beta 谱线的不对称性与系统光度之间存在相关性:随着系统变亮,谱线变得更蓝。我们还发现谱线红翼和蓝翼之间存在微分时滞:蓝翼滞后红翼约 4 天,这表明宽线区(BLR)存在内流分量。
引用
@article{arxiv.0707.2606,
title = {Measuring H-beta BLR Flows in NGC 5548},
author = {William F. Welsh and Danielle L. Martino and Go Kawaguchi and Wolfram Kollatschny},
journal= {arXiv preprint arXiv:0707.2606},
year = {2007}
}
评论
2 pages, 2 figures; conference proceedings to appear in "The Central Engine of Active Galactic Nuclei", ed. L. C. Ho and J.-M. Wang (San Francisco: ASP)
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