GRAVITATIONAL LENS MODELS BASED ON SUBMILLIMETER ARRAY IMAGING OF HERSCHEL-SELECTED STRONGLY LENSED SUB-MILLIMETER GALAXIES AT z > 1.5

被引：173

作者：

Bussmann, R. S. ^{[1
]}

Perez-Fournon, I. ^{[2
,3
]}

Amber, S. ^{[4
]}

Calanog, J. ^{[5
]}

Gurwell, M. A. ^{[1
]}

Dannerbauer, H. ^{[6
]}

De Bernardis, F. ^{[5
]}

Fu, Hai ^{[7
]}

Harris, A. I. ^{[8
]}

Krips, M. ^{[9
]}

Lapi, A. ^{[10
,11
]}

Maiolino, R. ^{[12
,13
]}

Omont, A. ^{[14
]}

Riechers, D. ^{[15
]}

Wardlow, J. ^{[5
]}

Baker, A. J. ^{[16
]}

Birkinshaw, M. ^{[17
]}

Bock, J. ^{[18
,19
]}

Bourne, N. ^{[20
]}

Clements, D. L. ^{[21
]}

Cooray, A. ^{[5
,18
]}

De Zotti, G. ^{[22
]}

Dunne, L. ^{[23
]}

Dye, S. ^{[20
]}

Eales, S. ^{[24
]}

Farrah, D. ^{[25
]}

Gavazzi, R. ^{[14
]}

Nuevo, J. Gonzalez ^{[26
]}

Hopwood, R. ^{[21
]}

Ibar, E. ^{[27
]}

Ivison, R. J. ^{[28
,29
]}

Laporte, N. ^{[2
,3
]}

Maddox, S. ^{[23
]}

Martinez-Navajas, P. ^{[2
,3
]}

Michalowski, M. ^{[29
]}

Negrello, M. ^{[22
]}

Oliver, S. J. ^{[30
]}

Roseboom, I. G. ^{[29
,30
]}

Scott, Douglas ^{[31
]}

Serjeant, S. ^{[4
]}

Smith, A. J. ^{[30
]}

Smith, Matthew ^{[24
]}

Streblyanska, A. ^{[2
,3
]}

Valiante, E. ^{[31
]}

van der Werf, P. ^{[32
]}

Verma, A. ^{[33
]}

Vieira, J. D. ^{[18
]}

Wang, L. ^{[30
]}

Wilner, D. ^{[1
]}

机构：

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

[2] IAC, E-38200 Tenerife, Spain

[3] ULL, Dept Astrofis, E-38205 Tenerife, Spain

[4] Open Univ, Dept Phys Sci, Milton Keynes MK7 6AA, Bucks, England

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

[6] CEA DSM Irfu CNRS Univ Paris Diderot, Lab AIM Paris Saclay, CE Saclay, F-91191 Gif Sur Yvette, France

[7] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA

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

[9] Inst Radio Astron Millimetr, F-38406 St Martin Dheres, France

[10] Univ Tor Vergata, Dept Fis, I-00133 Rome, Italy

[11] SISSA, I-34136 Trieste, Italy

[12] Univ Cambridge, Cavendish Lab, Cambridge CB3 OHF, England

[13] Univ Cambridge, Kavli Inst Cosmol, Cambridge CB3 OHA, England

[14] Univ Paris 06, CNRS, Inst Astrophys Paris, UMR 7095, F-75014 Paris, France

[15] Cornell Univ, Dept Astron, Ithaca, NY 14853 USA

[16] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA

[17] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[18] CALTECH, Pasadena, CA 91125 USA

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

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

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

[22] INAF Osservatorio Astron Padova, I-35122 Padua, Italy

[23] Univ Canterbury, Dept Phys & Astron, Christchurch 8140, New Zealand

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

[25] Virginia Tech, Dept Phys, Blacksburg, VA 24061 USA

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

[27] Pontificia Univ Catolica Chile, Fac Fis, Inst Astrofis, Santiago 22, Chile

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

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

[30] Univ Sussex, Dept Phys & Astron, Ctr Astron, Brighton BN1 9QH, E Sussex, England

[31] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[32] Leiden Observ, NL-2300 RA Leiden, Netherlands

[33] Univ Oxford, Dept Astrophys, Oxford OX1 3RH, England

来源：

ASTROPHYSICAL JOURNAL | 2013年 / 779卷 / 01期

基金：

英国科学技术设施理事会; 美国国家科学基金会;

关键词：

galaxies: evolution; galaxies: fundamental parameters; galaxies: halos; galaxies: high-redshift; gravitational lensing: strong; DEEP-FIELD-SOUTH; MOLECULAR INTERSTELLAR-MEDIUM; STAR-FORMING GALAXIES; ALL-SKY SURVEY; HIGH-RESOLUTION; EXTRAGALACTIC SURVEY; REDSHIFT DISTRIBUTION; LUMINOSITY FUNCTIONS; INFRARED GALAXIES; NUMBER COUNTS;

D O I：

10.1088/0004-637X/779/1/25

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Strong gravitational lenses are now being routinely discovered in wide-field surveys at (sub-)millimeter wavelengths. We present Submillimeter Array (SMA) high-spatial resolution imaging and Gemini-South and Multiple Mirror Telescope optical spectroscopy of strong lens candidates discovered in the two widest extragalactic surveys conducted by the Herschel Space Observatory: the Herschel-Astrophysical Terahertz Large Area Survey (H-ATLAS) and the Herschel Multi-tiered Extragalactic Survey (HerMES). From a sample of 30 Herschel sources with S-500 > 100 mJy, 21 are strongly lensed (i.e., multiply imaged), 4 are moderately lensed (i.e., singly imaged), and the remainder require additional data to determine their lensing status. We apply a visibility-plane lens modeling technique to the SMA data to recover information about the masses of the lenses as well as the intrinsic (i.e., unlensed) sizes (r(half)) and far-infrared luminosities (L-FIR) of the lensed submillimeter galaxies (SMGs). The sample of lenses comprises primarily isolated massive galaxies, but includes some groups and clusters as well. Several of the lenses are located at z(lens) > 0.7, a redshift regime that is inaccessible to lens searches based on Sloan Digital Sky Survey spectroscopy. The lensed SMGs are amplified by factors that are significantly below statistical model predictions given the 500 mu m flux densities of our sample. We speculate that this may reflect a deficiency in our understanding of the intrinsic sizes and luminosities of the brightest SMGs. The lensed SMGs span nearly one decade in L-FIR (median L-FIR = 7.9 x 10(12) L-circle dot) and two decades in FIR luminosity surface density (median Sigma(FIR) = 6.0 x 10(11) L-circle dot kpc(-2)). The strong lenses in this sample and others identified via (sub-) mm surveys will provide a wealth of information regarding the astrophysics of galaxy formation and evolution over a wide range in redshift.

引用

页数：26

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GRAVITATIONAL LENS MODELS BASED ON SUBMILLIMETER ARRAY IMAGING OF HERSCHEL-SELECTED STRONGLY LENSED SUB-MILLIMETER GALAXIES AT z &gt; 1.5

GRAVITATIONAL LENS MODELS BASED ON SUBMILLIMETER ARRAY IMAGING OF HERSCHEL-SELECTED STRONGLY LENSED SUB-MILLIMETER GALAXIES AT z > 1.5