Gravitational lensing and relativistic theories of gravitation

被引：3
作者：
Sirousse-Zia, H [1 ]
机构：
[1] Univ Paris 06, CNRS, URA 769, F-75252 Paris 05, France
来源：
GENERAL RELATIVITY AND GRAVITATION | 1998年 / 30卷 / 08期
关键词：
D O I：
10.1023/A:1026603213696
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider the point mass and the singular isothermal sphere gravitational lens models in the framework of relativistic theories of gravitation which admit the standard parametrized post-Newtonian (PPN) formalism. In the case of the singular isothermal sphere, we determine the PPN parameter gamma in terms of the image angular separation, the ratio of two distances and the velocity dispersion in the deflector which can be evaluated from observations.
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页码：1273 / 1280
页数：8
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