SPITZER 70 AND 160 μm OBSERVATIONS OF THE COSMOS FIELD

被引：77

作者：

Frayer, D. T. ^{[1
]}

Sanders, D. B. ^{[2
]}

Surace, J. A. ^{[3
]}

Aussel, H. ^{[4
]}

Salvato, M. ^{[5
]}

Le Floc'h, E. ^{[2
]}

Huynh, M. T. ^{[1
]}

Scoville, N. Z. ^{[5
]}

Afonso-Luis, A. ^{[6
]}

Bhattacharya, B. ^{[1
]}

Capak, P. ^{[3
]}

Fadda, D. ^{[1
]}

Fu, H. ^{[5
]}

Helou, G. ^{[1
]}

Ilbert, O. ^{[2
]}

Kartaltepe, J. S. ^{[2
]}

Koekemoer, A. M. ^{[7
]}

Lee, N. ^{[2
]}

Murphy, E. ^{[3
]}

Sargent, M. T. ^{[8
]}

Schinnerer, E. ^{[8
]}

Sheth, K. ^{[3
]}

Shopbell, P. L. ^{[5
]}

Shupe, D. L. ^{[1
]}

Yan, L. ^{[3
]}

机构：

[1] CALTECH, Ctr Infrared Proc & Anal, Pasadena, CA 91125 USA

[2] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA

[3] CALTECH, Spitzer Sci Ctr, Pasadena, CA 91125 USA

[4] Univ Paris 07, CNRS, UMR 7158, AIM,CEA, F-91191 Gif Sur Yvette, France

[5] CALTECH, Dept Astron, Pasadena, CA 91125 USA

[6] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Sc De Tenerife, Spain

[7] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[8] Max Planck Inst Astron, D-69117 Heidelberg, Germany

来源：

ASTRONOMICAL JOURNAL | 2009年 / 138卷 / 05期

关键词：

galaxies: evolution; galaxies: starburst; infrared: galaxies; MULTIBAND IMAGING PHOTOMETER; ABSOLUTE CALIBRATION; LEGACY SURVEY; SPACE; CONFUSION; GALAXIES; CATALOG; ENERGY;

D O I：

10.1088/0004-6256/138/5/1261

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present Spitzer 70 and 160 mu m observations of the COSMOS Spitzer survey (S-COSMOS). The data processing techniques are discussed for the publicly released products consisting of images and source catalogs. We present accurate 70 and 160 mu m source counts of the COSMOS field and find reasonable agreement with measurements in other fields and with model predictions. The previously reported counts for GOODS-North and the extragalactic First Look Survey are updated with the latest calibration, and counts are measured based on the large area SWIRE survey to constrain the bright source counts. We measure an extragalactic confusion noise level of sigma(c) = 9.4 +/- 3.3 mJy (q = 5) for the MIPS 160 mu m band based on the deep S-COSMOS data and report an updated confusion noise level of sigma(c) = 0.35 +/- 0.15 mJy (q = 5) for the MIPS 70 mu m band.

引用

页码：1261 / 1270

页数：10

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