The LABOCA survey of the Extended Chandra Deep Field-South - radio and mid-infrared counterparts to submillimetre galaxies

被引：82

作者：

Biggs, A. D. ^{[1
,2
]}

Ivison, R. J. ^{[2
,3
]}

Ibar, E. ^{[2
,3
]}

Wardlow, J. L. ^{[4
]}

Dannerbauer, H. ^{[5
,6
]}

Smail, Ian ^{[4
]}

Walter, F. ^{[5
]}

Weiss, A. ^{[7
]}

Chapman, S. C. ^{[8
]}

Coppin, K. E. K. ^{[4
]}

De Breuck, C. ^{[1
]}

Dickinson, M. ^{[9
]}

Knudsen, K. K. ^{[10
]}

Mainieri, V. ^{[1
]}

Menten, K. ^{[7
]}

Papovich, C. ^{[11
]}

机构：

[1] European So Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany

[2] Royal Observ, UK Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland

[3] Univ Edinburgh, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland

[4] Univ Durham, Inst Computat Cosmol, Durham DH1 6LE, England

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

[6] CEA CNRS Univ, CEA Saclay, CNRS, Lab AIM Paris Saclay,Irfu Serv Astrophys, F-91191 Gif Sur Yvette, France

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

[8] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England

[9] Natl Opt Astron Observ, Tucson, AZ 85719 USA

[10] Argelander Inst Astron, D-53121 Bonn, Germany

[11] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2011年 / 413卷 / 04期

基金：

美国国家航空航天局;

关键词：

galaxies: formation; galaxies: starburst; cosmology: observations; early Universe; DEGREE EXTRAGALACTIC SURVEY; AZTEC MILLIMETER SURVEY; SCUBA SUPER-MAP; GOODS-N FIELD; SOURCE COUNTS; COSMOS FIELD; SPITZER; 70; X-RAY; REDSHIFT; MM;

D O I：

10.1111/j.1365-2966.2010.18132.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present radio and infrared (3.6-24 m) counterparts to submillimetre galaxies (SMGs) detected in the Extended Chandra Deep Field-South with the Large APEX Bolometer Camera (LABOCA) 870- m bolometer camera on the 12-m Atacama Pathfinder Experiment. Using the Very Large Array at 1.4 GHz and Spitzer, we have identified secure counterparts to 79 of the 126 SMGs [signal-to-noise ratio (S/N) > 3.7, S-870 > 4.4 mJy] in the field, 62 via their radio and/or 24- m emission, the remainder using a colour-flux cut on Infrared Array Camera 3.6- and 5.8- m sources chosen to maximize the number of secure, coincident radio and 24- m counterparts. In constructing our radio catalogue, we have corrected for the effects of 'flux boosting', then used the corrected flux densities to estimate the redshifts of the SMGs based on the radio/submm spectral indices. The effect of the boosting correction is to increase the median redshift by 0.2 resulting in a value of (1 errors) for the secure radio counterparts, in agreement with other studies, both spectroscopic and photometric.

引用

页码：2314 / 2338

页数：25

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