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An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties
Stach, Stuart M.1; Dudzeviciute, U.1; Smail, Ian1; Swinbank, A. M.1; Geach, J. E.2; Simpson, J. M.3; An, Fang Xia1,4; Almaini, Omar5; Arumugam, Vinodiran6,7; Blain, A. W.8; Chapman, S. C.9; Chen, Chian-Chou6; Conselice, C. J.5; Cooke, E. A.1; Coppin, K. E. K.2; da Cunha, E.10; Dunlop, J. S.7; Farrah, Duncan11,12; Gullberg, B.1; Hodge, J. A.13; Ivison, R. J.6,7; Kocevski, Dale D.14; Michalowski, M. J.15; Miyaji, Takamitsu16; Scott, Douglas17; Thomson, A. P.18; Wardlow, J. L.19; Weiss, Axel20; van der Werf, P.13
2019-08-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume487Issue:4Pages:4648-4668
Corresponding AuthorStach, Stuart M.(stuartstach@gmail.com)
AbstractWe present the catalogue and basic properties of sources in AS2UDS, an 870-m continuum survey with the Atacama Large Millimetre/sub-millimetre Array (ALMA) of 716 single-dish sub-millimetre sources detected in the UKIDSS/UDS field by the SCUBA-2 Cosmology Legacy Survey. In our sensitive ALMA follow-up observations, we detect 708 sub-millimetre galaxies (SMGs) at >4.3 sigma significance across the similar to 1 degrees-diameter field. We combine our precise ALMA positions with the extensive multiwavelength coverage in the UDS field which yields spectral energy distributions for our SMGs and a median redshift of z(phot)= 2.61 +/- 0.09. This large sample reveals a statistically significant trend of increasing sub-millimetre flux with redshift suggestive of galaxy downsizing. 101 ALMA maps do not show a >4.3 sigma SMG, but we demonstrate from stacking Herschel SPIRE observations at these positions, that the vast majority of these blank maps correspond to real single-dish sub-millimetre sources. We further show that these blank maps contain an excess of galaxies at z(phot)= 1.5-4 compared to random fields, similar to the redshift range of the ALMA-detected SMGs. In addition, we combine X-ray and mid-infrared active galaxy nuclei activity (AGN) indicators to yield a likely range for the AGN fraction of 8-28percent in our sample. Finally, we compare the redshifts of this population of high-redshift, strongly star-forming galaxies with the inferred formation redshifts of massive, passive galaxies being found out to z similar to 2, finding reasonable agreement - in support of an evolutionary connection between these two classes of massive galaxy.
Keywordgalaxies: high-redshift galaxies: starburst submillimetre: galaxies
DOI10.1093/mnras/stz1536
WOS KeywordDEEP SUBMILLIMETER SURVEY ; SUPERMASSIVE BLACK-HOLES ; REDSHIFT DUSTY GALAXIES ; ACTIVE GALACTIC NUCLEI ; STAR-FORMATION HISTORY ; MU-M ; MIDINFRARED COUNTERPARTS ; SPECTROSCOPIC SURVEY ; EXTRAGALACTIC SURVEY ; INFRARED PROPERTIES
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000475888500016
PublisherOXFORD UNIV PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/27136
Collection中国科学院紫金山天文台
Corresponding AuthorStach, Stuart M.
Affiliation1.Univ Durham, Dept Phys, Ctr Extragalact Astron, Durham DH1 3LE, England
2.Univ Hertfordshire, Sch Phys Astron & Math, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England
3.Acad Sinica, Inst Astron & Astrophys, 1,Sect 4,Roosevelt Rd, Taipei 10617, Taiwan
4.Chinese Acad Sci, Purple Mt Observ, 2 West Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
5.Univ Nottingham, Sch Phys & Astron, Univ Pk, Nottingham NG7 2RD, England
6.European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany
7.Univ Edinburgh, Royal Observ, Inst Astron, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland
8.Univ Leicester, Dept Phys & Astron, Univ Rd, Leicester LE1 7RH, Leics, England
9.Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 3J5, Canada
10.Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT 2611, Australia
11.Univ Hawaii, Dept Phys & Astron, 2505 Correa Rd, Honolulu, HI 96822 USA
12.Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA
13.Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands
14.Colby Coll, Dept Phys & Astron, Waterville, ME 04961 USA
15.Adam Mickiewicz Univ, Fac Phys, Astron Observ Inst, Ul Sloneczna 36, PL-60286 Poznan, Poland
16.Univ Nacl Autonoma Mexico, Inst Astron Sede Ensenada, Ensenada 22860, Baja California, Mexico
17.Univ British Columbia, Dept Phys & Astron, 6224 Agr Rd, Vancouver, BC V6T 1Z1, Canada
18.Univ Manchester, Oxford Rd, Manchester M13 9PL, Lancs, England
19.Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England
20.Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany
Recommended Citation
GB/T 7714
Stach, Stuart M.,Dudzeviciute, U.,Smail, Ian,et al. An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2019,487(4):4648-4668.
APA Stach, Stuart M..,Dudzeviciute, U..,Smail, Ian.,Swinbank, A. M..,Geach, J. E..,...&van der Werf, P..(2019).An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,487(4),4648-4668.
MLA Stach, Stuart M.,et al."An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 487.4(2019):4648-4668.
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