高红移超亮红外星系的差分放大效应
天体物理学
2009-10-31 v1
摘要
本文讨论了高红移尘埃性质的类星体(AGN)在前景星系引力透镜作用下的中红外光谱能量分布(SED)可能的修改问题。当一个星系被引力透镜放大时,其中红外颜色通常会比在无放大情况下的同一星系更蓝。这一效应会使得对已知中宽带SED的高红移尘埃性质类星体样本进行解释变得更加困难,因为所有已知的这些类星体都被前景星系透镜化了。
引用
@article{arxiv.astro-ph/9903221,
title = {The differential magnification of high-redshift ultraluminous infrared galaxies},
author = {Andrew W. Blain},
journal= {arXiv preprint arXiv:astro-ph/9903221},
year = {2009}
}
备注
6 pages, 1 two-panel figure. To appear in proceedings of Ringberg ULIRG meeting, edited by D. Lutz and L. Tacconi. In press at Astrophysics and Space Science. Differential magnification: Ringberg proceeding. See also astro-ph/9812415