GRAVITATIONAL LENSING AND THE LYMAN-ALPHA FOREST

被引：5

作者：

IKEUCHI, S ^{[1
]}

TURNER, EL ^{[1
]}

机构：

[1] PRINCETON UNIV OBSERV, PRINCETON, NJ 08544 USA

来源：

ASTROPHYSICAL JOURNAL | 1991年 / 375卷 / 02期

关键词：

GRAVITATIONAL LENSES; QUASARS;

D O I：

10.1086/170212

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Possible connections between the inhomogeneities responsible for the Lyman-alpha forest in quasar spectra and gravitational lensing effects are investigated. For most models of the Lyman-alpha forest, no significant lensing is expected. For some versions of the CDM model-based minihalo hypothesis, gravitational lensings on scales less-than-or-similar-to 0".1 would occur with a frequency approaching that with which ordinary galaxies cause arcsecond scale lensing.

引用

页码：499 / 502

页数：4

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