Herschel-ATLAS: The angular correlation function of submillimetre galaxies at high and low redshift

被引：51

作者：

Maddox, S. J. ^{[1
]}

Dunne, L. ^{[1
]}

Rigby, E. ^{[1
]}

Eales, S. ^{[2
]}

Cooray, A. ^{[9
]}

Scott, D. ^{[19
]}

Peacock, J. A. ^{[18
]}

Negrello, M. ^{[21
]}

Smith, D. J. B. ^{[1
]}

Benford, D. ^{[22
]}

Amblard, A. ^{[9
]}

Auld, R. ^{[2
]}

Baes, M. ^{[3
]}

Bonfield, D. ^{[4
]}

Burgarella, D. ^{[5
]}

Buttiglione, S. ^{[6
]}

Cava, A. ^{[7
,17
]}

Clements, D. ^{[8
]}

Dariush, A. ^{[2
]}

de Zotti, G. ^{[6
]}

Dye, S. ^{[2
]}

Frayer, D. ^{[10
]}

Fritz, J. ^{[3
]}

Gonzalez-Nuevo, J. ^{[11
]}

Herranz, D. ^{[12
]}

Ibar, E. ^{[13
]}

Ivison, R. ^{[13
]}

Jarvis, M. J. ^{[4
]}

Lagache, G. ^{[14
,15
,16
]}

Leeuw, L. ^{[22
]}

Lopez-Caniego, M. ^{[12
]}

Pascale, E. ^{[2
]}

Pohlen, M. ^{[2
]}

Rodighiero, G. ^{[6
]}

Samui, S. ^{[11
]}

Serjeant, S. ^{[21
]}

Temi, P. ^{[22
]}

Thompson, M. ^{[4
]}

Verma, A. ^{[20
]}

机构：

[1] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England

[2] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales

[3] Univ Ghent, Sterrenkundig Observatorium, B-9000 Ghent, Belgium

[4] Univ Hertfordshire, Sci & Technol Res Ctr, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England

[5] CNRS, UMR6110, Lab Astrophys Marseille, F-13388 Marseille, France

[6] Univ Padua, Dept Astron, I-35122 Padua, Italy

[7] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Spain

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

[9] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

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

[11] Scuola Int Super Studi Avanzati, I-34151 Trieste, Italy

[12] Inst Fis Cantabria CSIC UC, Santander 39005, Spain

[13] Royal Observ Edinburgh, UK Astron Technol Ctr, Edinburgh, Midlothian, Scotland

[14] IAS, F-91405 Orsay, France

[15] Univ Paris 11, Orsay, France

[16] CNRS, UMR 8617, F-75700 Paris, France

[17] Univ La Laguna, Dept Astrofis, Tenerife 38205, Spain

[18] Univ Edinburgh, Royal Observ Edinburgh, Inst Astron, SUPA, Edinburgh EH9 3HJ, Midlothian, Scotland

[19] Univ British Colombia, Vancouver, BC V6T 1Z1, Canada

[20] Univ Oxford, Oxford Astrophys, Oxford OX1 3RH, England

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

[22] NASA, Ames Res Ctr, Astrophys Branch, Moffett Field, CA 94035 USA

来源：

ASTRONOMY & ASTROPHYSICS | 2010年 / 518卷

关键词：

submillimeter: galaxies; galaxies: statistics; NUMBER COUNTS; EVOLUTION; MODEL; MAPS;

D O I：

10.1051/0004-6361/201014663

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present measurements of the angular correlation function of galaxies selected from the first field of the H-ATLAS survey. Careful removal of the background from galactic cirrus is essential, and currently dominates the uncertainty in our measurements. For our 250 mu m-selected sample we detect no significant clustering, consistent with the expectation that the 250 mu m-selected sources are mostly normal galaxies at z <= 1. For our 350 mu m and 500 mu m-selected samples we detect relatively strong clustering with correlation amplitudes A of 0.2 and 1.2 at 1', but with relatively large uncertainties. For samples which preferentially select high redshift galaxies at z similar to 2-3 we detect significant strong clustering, leading to an estimate of r(0) similar to 7-11 h(-1) Mpc. The slope of our clustering measurements is very steep, delta similar to 2. The measurements are consistent with the idea that sub-mm sources consist of a low redshift population of normal galaxies and a high redshift population of highly clustered star-bursting galaxies.

引用

页数：5

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