Sloan Digital Sky Survey Spectroscopic lens search. I. Discovery of intermediate-redshift star-forming galaxies behind foreground luminous red galaxies

被引：90

作者：

Bolton, AS

Burles, S

Schlegel, DJ

Eisenstein, DJ

Brinkmann, J

机构：

[1] MIT, Dept Phys, Cambridge, MA 02139 USA

[2] MIT, Ctr Space Res, Cambridge, MA 02139 USA

[3] Princeton Univ Observ, Princeton, NJ 08544 USA

[4] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

[5] Apache Point Observ, Sunspot, NM 88349 USA

来源：

ASTRONOMICAL JOURNAL | 2004年 / 127卷 / 04期

关键词：

galaxies : elliptical and lenticular; cD; galaxies : starburst; gravitational lensing;

D O I：

10.1086/382714

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a catalog of 49 spectroscopic strong gravitational lens candidates selected from a Sloan Digital Sky Survey sample of 50,996 luminous red galaxies. Potentially lensed star-forming galaxies are detected through the presence of background oxygen and hydrogen nebular emission lines in the spectra of these massive foreground galaxies. This multiline selection eliminates the ambiguity of single-line identification and provides a very promising sample of candidate galaxy-galaxy lens systems at low to intermediate redshift, with foreground redshifts ranging from 0.16 to 0.49 and background redshifts from 0.25 to 0.81. Any lenses confirmed within our sample would be important new probes of early-type galaxy mass distributions, providing complementary constraints to those obtained from currently known lensed high-redshift quasars.

引用

页码：1860 / 1882

页数：23

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