集合 Baldwin 效应的起源与物理机制
星系天体物理
2009-03-29 v2
摘要
我们对 AGN 谱线-谱线及谱线-连续谱相关性的起源和潜在物理机制进行了系统研究,特别是 Baldwin 效应。基于 SDSS DR4 中 Seyfert 1s 和 QSOs 的均匀样本,我们发现所有发射线规律性的起源是爱丁顿比率 (L/Ledd)。其基本物理机制是 L/Ledd 调节了束缚在谱线发射区内的云的性质(特别是柱密度)的分布。
引用
@article{arxiv.0903.0698,
title = {The origin and physical mechanism of the ensemble Baldwin effect},
author = {Xiaobo Dong and Jianguo Wang and Tinggui Wang and Huiyuan Wang and Xiaohui Fan and Hongyan Zhou and Weimin Yuan and Qian Long},
journal= {arXiv preprint arXiv:0903.0698},
year = {2009}
}
备注
to appear in the proceedings of "The Starburst-AGN Connection Conference",ASP Conference Series. Ver2: An appendix of ``Not Baldwin Effect, but ell Effect?'' is added, with two more figures to unveil the nature of the Baldwin effect of AGNs