An ALMA survey of the SCUBA-2 CLS UDS field: physical properties of 707 sub-millimetre galaxies

被引：171

作者：

Dudzeviciute, U. ^{[1
]}

Smail, Ian ^{[1
]}

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

Stach, S. M. ^{[1
]}

Almaini, O. ^{[2
]}

da Cunha, E. ^{[3
,4
,5
]}

An, Fang Xia ^{[6
]}

Arumugam, V ^{[7
]}

Birkin, J. ^{[1
]}

Blain, A. W. ^{[8
]}

Chapman, S. C. ^{[9
]}

Chen, C-C ^{[10
]}

Conselice, C. J. ^{[2
]}

Coppin, K. E. K. ^{[11
]}

Dunlop, J. S. ^{[12
]}

Farrah, D. ^{[13
,14
]}

Geach, J. E. ^{[11
]}

Gullberg, B. ^{[1
]}

Hartley, W. G. ^{[15
]}

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

Ivison, R. J. ^{[10
,12
]}

Maltby, D. T. ^{[2
]}

Scott, D. ^{[17
]}

Simpson, C. J. ^{[18
]}

Simpson, J. M. ^{[1
]}

Thomson, A. P. ^{[19
]}

Walter, F. ^{[20
]}

Wardlow, J. L. ^{[21
]}

Weiss, A. ^{[22
]}

van der Werf, P. ^{[16
]}

机构：

[1] Univ Durham, Ctr Extragalact Astron, Dept Phys, South Rd, Durham DH1 3LE, England

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

[3] Univ Western Australia, Int Ctr Radio Astron Res, 35 Stirling Hwy, Crawley, WA 6009, Australia

[4] Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT 2611, Australia

[5] ARC Ctr Excellence All Sky Astrophys 3 Dimens AST, Canberra, ACT 2601, Australia

[6] Univ Western Cape, Dept Phys & Astron, Robert Sobukwe Rd, ZA-7535 Bellville, South Africa

[7] Domaine Univ, Inst Radioastron Millimetr, 300 Rue Piscine, F-38406 St Martin Dheres, France

[8] Univ Leicester, Dept Phys & Astron, Univ Rd, Leicester LE1 7RH, Leics, England

[9] Dalhousie Univ Halifax, Dept Phys & Atmospher Sci, Halifax, NS B3H 3J5, Canada

[10] European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany

[11] Univ Hertfordshire, Ctr Astrophys Res, Sch Phys Astron & Math, Hatfield AL10 9AB, Herts, England

[12] Univ Edinburgh, Royal Observ, Inst Astron, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland

[13] Univ Hawaii, Dept Phys & Astron, 2505 Correa Rd, Honolulu, HI 96822 USA

[14] Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA

[15] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England

[16] Leiden Univ, Leiden Observ, Pob 9513, NL-2300 RA Leiden, Netherlands

[17] Univ British Columbia, Dept Phys & Astron, 6224 Agr Rd, Vancouver, BC V6T 1Z1, Canada

[18] Gemini Observ, Hilo, HI 96720 USA

[19] Univ Manchester, Oxford Rd, Manchester M13 9PL, Lancs, England

[20] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany

[21] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England

[22] Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2020年 / 494卷 / 03期

基金：

澳大利亚研究理事会;

关键词：

galaxies: high-redshift; galaxies: starburst; submillimetre: galaxies; COSMOLOGY LEGACY SURVEY; DEGREE EXTRAGALACTIC SURVEY; STAR-FORMING GALAXIES; MOLECULAR GAS; INFRARED GALAXIES; LABOCA SURVEY; MU-M; MIDINFRARED COUNTERPARTS; SPECTROSCOPIC SURVEY; LUMINOSITY FUNCTION;

D O I：

10.1093/mnras/staa769

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We analyse the physical properties of a large, homogeneously selected sample of ALMA-located sub-millimetre galaxies (SMGs). This survey, AS2UDS, identified 707 SMGs across the similar to 1 deg(2) field, including similar to 17 per cent, which are undetected at K greater than or similar to 25.7 mag. We interpret their ultraviolet-to-radio data using MAGPHYS and determine a median redshift of z = 2.61 +/- 0.08 (1 sigma range of z = 1.8-3.4) with just similar to 6 per cent at z greater than or similar to 4. Our survey provides a sample of massive dusty galaxies at z > 1, with median dust and stellar masses of M-d = (6.8 +/- 0.3) x 10(8) M-circle dot (thus, gas masses of similar to 10(11) M-circle dot) and M* = (1.26 +/- 0.05) x 10(11) M-circle dot. We find no evolution in dust temperature at a constant far-infrared luminosity across z similar to 1.5-4. The gas mass function of our sample increases to z similar to 2-3 and then declines at z > 3. The space density and masses of SMGs suggest that almost all galaxies with M* greater than or similar to 3 x 10(11) M-circle dot, have passed through an SMG-like phase. The redshift distribution is well fit by a model combining evolution of the gas fraction in haloes with the growth of halo mass past a critical threshold of M-h similar to 6 x 10(12) M-circle dot, thus SMGs may represent the highly efficient collapse of gas-rich massive haloes. We show that SMGs are broadly consistent with simple homologous systems in the far-infrared, consistent with a centrally illuminated starburst. Our study provides strong support for an evolutionary link between the active, gas-rich SMG population at z > 1 and the formation of massive, bulge-dominated galaxies across the history of the Universe.

引用

页码：3828 / 3860

页数：33

共 31 条

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