The redshift of the lensed object in the Einstein ring B0218+357

被引：48

作者：

Cohen, JG

Lawrence, CR

Blandford, RD

机构：

[1] CALTECH, Palomar Observ, Pasadena, CA 91125 USA

[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

ASTROPHYSICAL JOURNAL | 2003年 / 583卷 / 01期

基金：

美国国家科学基金会;

关键词：

galaxies : distances and redshifts; galaxies : individual (B0218+357); gravitational lensing;

D O I：

10.1086/344837

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a secure redshift of z = 0.944 +/- 0.002 for the lensed object in the Einstein ring gravitational lens B0218+357 based on five broad emission lines, in good agreement with our preliminary value announced several years ago based solely on the detection of a single emission line.

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页码：67 / 69

页数：3

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