发现一条窄线Seyfert 1星系
天体物理学
2007-05-23 v1
摘要
我们发现了一条Narrow-Line Seyfert 1（NLS1）星系，并通过ROSAT检测到的ultrasoft X-ray source RX 215319-1514将其确认。我们呈现了其X射线和光学光谱特征。其红移为0.0778±0.0002。其光学光谱显示相当强的Fe II发射线，其X射线光谱具有Gamma大于等于4的极其陡峭的power-law指数，使其成为该类AGN的极其有趣的例子。未观察到低能吸收或变动。软X射线（0.1-2.0 keV）亮度估计为3.4-12.5×10^43 erg/s，取决于光谱模型。
引用
@article{arxiv.astro-ph/0005165,
title = {Discovery of a narrow line Seyfert 1 galaxy},
author = {K. P. Singh and L. R. Jones},
journal= {arXiv preprint arXiv:astro-ph/0005165},
year = {2007}
}
备注
Poster contribution presented at the Joint MPE,AIP,ESO workshop on NLS1s, Bad Honnef, Dec. 1999, to appear in New Astronomy Reviews; also available at http://wave.xray.mpe.mpg.de/conferences/nls1-workshop