First constraints on source counts at 350 μm

被引：17

作者：

Khan, Sophia A.

Shafer, Richard A.

Serjeant, Stephen

Willner, S. P.

Pearson, Chris P.

Benford, Dominic J.

Staguhn, Johannes G.

Moseley, S. Harvey

Sumner, Timothy J.

Ashby, Matthew L. N.

Borys, Colin K.

Chanial, Pierre

Clements, David L.

Dowell, C. Darren

Dwek, Eli

Fazio, Giovanni G.

Kovacs, Attila

Le Floc'h, Emeric

Silverberg, Robert F.

机构：

[1] NASA, Goddard Space Flight Ctr, Observat Cosmol Lab, Greenbelt, MD 20771 USA

[2] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2AZ, England

[3] Open Univ, Dept Phys & Astron, Milton Keynes MK7 6AA, Bucks, England

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

[5] Inst Space & Astronaut Sci, Kanagawa 2298510, Japan

[6] European Space Agcy, ISO Data Ctr, Madrid 28080, Spain

[7] Univ Maryland, Dept Astron, College Pk, MD 20742 USA

[8] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H4, Canada

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

[10] Max Planck Inst Radioastron, D-53121 Bonn, Germany

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

来源：

ASTROPHYSICAL JOURNAL | 2007年 / 665卷 / 02期

基金：

英国科学技术设施理事会;

关键词：

infrared : galaxies; galaxies : high-redshift; galaxies : starburst; submillimeter;

D O I：

10.1086/519239

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have imaged a similar to 6 arcmin(2) region in the Bootes Deep Field using the 350 mu m-optimized second-generation Submillimeter High Angular Resolution Camera (SHARC II), achieving a peak 1 sigma sensitivity of similar to 5 mJy. We detect three sources above 3 sigma, and determine a spurious source detection rate of 1.09 in our maps. In the absence of 5 sigma detections, we rely on deep 24 mu m and 20 cm imaging to deduce which sources are most likely to be genuine, giving two real sources. From this we derive an integral source count of 0. 84(-0.61)(+1.39) sources arcmin(-2) at S > 13 mJy, which is consistent with 350 mu m source count models that have an IR-luminous galaxy population evolving with redshift. We use these constraints to consider the future for ground-based short-submillimeter surveys.

引用

页码：973 / 979

页数：7

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