Cluster reconstruction from combined strong and weak lensing

被引：0
|
作者：
Saha, P [1 ]
Williams, LLR [1 ]
AbdelSalam, HM [1 ]
机构：
[1] Univ Oxford, Dept Phys, Oxford, England
来源：
GRAVITATIONAL LENSING: RECENT PROGRESS AND FUTURE GOALS | 2001年 / 237卷
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The lensing information provided by multiple images, arclets, and statistical distortions can all be formulated as linear constraints on the arrival-time surface, and hence on the mass distribution. This reduces cluster lens reconstruction from combined strong and weak lensing to a standard type of inversion problem. Moreover, the mass sheet degeneracy is broken if there are sources at different redshifts. This paper presents a reconstruction technique based on these ideas, and a mass map and discussion of Cl 1358+62.
引用
收藏
页码：279 / 286
页数：8
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