A CATALOG OF MID-INFRARED SOURCES IN THE EXTENDED GROTH STRIP

被引：86

作者：

Barmby, P. ^{[1
]}

Huang, J. -S. ^{[1
]}

Ashby, M. L. N. ^{[1
]}

Eisenhardt, P. R. M. ^{[2
]}

Fazio, G. G. ^{[1
]}

Willner, S. P. ^{[1
]}

Wright, E. L. ^{[3
]}

机构：

[1] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

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

[3] UCLA Astron, Los Angeles, CA 90095 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2008年 / 177卷 / 02期

关键词：

catalogs; galaxies: high-redshift; infrared: galaxies; surveys;

D O I：

10.1086/588583

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Extended Groth Strip (EGS) is one of the premier fields for extragalactic deep surveys. Deep observations of the EGS with the Infrared Array Camera (IRAC) on the Spitzer Space Telescope cover an area of 0.38 deg(2) to a 50% completeness limit of 1.5 mu Jy at 3.6 mu m. The catalog comprises 57,434 objects detected at 3.6 mu m, with 84%, 28%, and 24% also detected at 4.5, 5.8, and 8.0 mu m, respectively. Number counts are consistent with results from other Spitzer surveys. Color distributions show that the EGS IRAC sources comprise a mixture of populations: low-redshift star-forming galaxies, quiescent galaxies dominated by stellar emission at a range of redshifts, and high-redshift galaxies and AGNs.

引用

页码：431 / 445

页数：15

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